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Finding the Fourth Proportional to 585,238.59, 877,916.30 and 158,781.11

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Solution

The fourth proportional to 585,238.59, 877,916.30 and 158,781.11 is: 238,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,238.59 : 877,916.30 = 158,781.11 : x
  2. Step 2: Convert to fraction form
    585,238.59/877,916.30 = 158,781.11/x
  3. Step 3: Cross multiply
    585,238.59x = 877,916.30 × 158,781.11
  4. Step 4: Simplify right side
    585,238.59x = 139,396,519,417.61
  5. Step 5: Solve for x
    x = 139,396,519,417.61/585,238.59
  6. Step 6: Final answer
    x = 238,187.50

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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.