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Finding the Fourth Proportional to 651,657.20, 977,485.80 and 593,920.40

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Solution

The fourth proportional to 651,657.20, 977,485.80 and 593,920.40 is: 890,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,657.20 : 977,485.80 = 593,920.40 : x
  2. Step 2: Convert to fraction form
    651,657.20/977,485.80 = 593,920.40/x
  3. Step 3: Cross multiply
    651,657.20x = 977,485.80 × 593,920.40
  4. Step 4: Simplify right side
    651,657.20x = 580,548,757,330.32
  5. Step 5: Solve for x
    x = 580,548,757,330.32/651,657.20
  6. Step 6: Final answer
    x = 890,880.60

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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.