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Finding the Fourth Proportional to 334,641.76, 502,037.52 and 113,020

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Solution

The fourth proportional to 334,641.76, 502,037.52 and 113,020 is: 169,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,641.76 : 502,037.52 = 113,020 : x
  2. Step 2: Convert to fraction form
    334,641.76/502,037.52 = 113,020/x
  3. Step 3: Cross multiply
    334,641.76x = 502,037.52 × 113,020
  4. Step 4: Simplify right side
    334,641.76x = 56,740,280,510.40
  5. Step 5: Solve for x
    x = 56,740,280,510.40/334,641.76
  6. Step 6: Final answer
    x = 169,555.29

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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.