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Finding the Fourth Proportional to 636,001.66, 877,736.16 and 432,504.04

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Solution

The fourth proportional to 636,001.66, 877,736.16 and 432,504.04 is: 596,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,001.66 : 877,736.16 = 432,504.04 : x
  2. Step 2: Convert to fraction form
    636,001.66/877,736.16 = 432,504.04/x
  3. Step 3: Cross multiply
    636,001.66x = 877,736.16 × 432,504.04
  4. Step 4: Simplify right side
    636,001.66x = 379,624,435,254.09
  5. Step 5: Solve for x
    x = 379,624,435,254.09/636,001.66
  6. Step 6: Final answer
    x = 596,892.21

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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.