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Finding the Fourth Proportional to 332,547.96, 498,988.74 and 155,068.92

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Solution

The fourth proportional to 332,547.96, 498,988.74 and 155,068.92 is: 232,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,547.96 : 498,988.74 = 155,068.92 : x
  2. Step 2: Convert to fraction form
    332,547.96/498,988.74 = 155,068.92/x
  3. Step 3: Cross multiply
    332,547.96x = 498,988.74 × 155,068.92
  4. Step 4: Simplify right side
    332,547.96x = 77,377,645,003.96
  5. Step 5: Solve for x
    x = 77,377,645,003.96/332,547.96
  6. Step 6: Final answer
    x = 232,681.16

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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.