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Finding the Fourth Proportional to 651,643.70, 977,465.55 and 593,906.90

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Solution

The fourth proportional to 651,643.70, 977,465.55 and 593,906.90 is: 890,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,643.70 : 977,465.55 = 593,906.90 : x
  2. Step 2: Convert to fraction form
    651,643.70/977,465.55 = 593,906.90/x
  3. Step 3: Cross multiply
    651,643.70x = 977,465.55 × 593,906.90
  4. Step 4: Simplify right side
    651,643.70x = 580,523,534,657.30
  5. Step 5: Solve for x
    x = 580,523,534,657.30/651,643.70
  6. Step 6: Final answer
    x = 890,860.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.