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Finding the Fourth Proportional to 651,641.40, 977,462.10 and 604,402.20

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Solution

The fourth proportional to 651,641.40, 977,462.10 and 604,402.20 is: 906,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,641.40 : 977,462.10 = 604,402.20 : x
  2. Step 2: Convert to fraction form
    651,641.40/977,462.10 = 604,402.20/x
  3. Step 3: Cross multiply
    651,641.40x = 977,462.10 × 604,402.20
  4. Step 4: Simplify right side
    651,641.40x = 590,780,243,656.62
  5. Step 5: Solve for x
    x = 590,780,243,656.62/651,641.40
  6. Step 6: Final answer
    x = 906,603.30

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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.