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Finding the Fourth Proportional to 636,014.16, 877,753.41 and 432,516.54

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Solution

The fourth proportional to 636,014.16, 877,753.41 and 432,516.54 is: 596,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,014.16 : 877,753.41 = 432,516.54 : x
  2. Step 2: Convert to fraction form
    636,014.16/877,753.41 = 432,516.54/x
  3. Step 3: Cross multiply
    636,014.16x = 877,753.41 × 432,516.54
  4. Step 4: Simplify right side
    636,014.16x = 379,642,867,866.40
  5. Step 5: Solve for x
    x = 379,642,867,866.40/636,014.16
  6. Step 6: Final answer
    x = 596,909.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.