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Finding the Fourth Proportional to 585,038.10, 877,557.15 and 545,672.10

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Solution

The fourth proportional to 585,038.10, 877,557.15 and 545,672.10 is: 818,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,038.10 : 877,557.15 = 545,672.10 : x
  2. Step 2: Convert to fraction form
    585,038.10/877,557.15 = 545,672.10/x
  3. Step 3: Cross multiply
    585,038.10x = 877,557.15 × 545,672.10
  4. Step 4: Simplify right side
    585,038.10x = 478,858,452,910.52
  5. Step 5: Solve for x
    x = 478,858,452,910.52/585,038.10
  6. Step 6: Final answer
    x = 818,508.15

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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.