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Finding the Fourth Proportional to 508,341.92, 762,518.36 and 153,359.02

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Solution

The fourth proportional to 508,341.92, 762,518.36 and 153,359.02 is: 230,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,341.92 : 762,518.36 = 153,359.02 : x
  2. Step 2: Convert to fraction form
    508,341.92/762,518.36 = 153,359.02/x
  3. Step 3: Cross multiply
    508,341.92x = 762,518.36 × 153,359.02
  4. Step 4: Simplify right side
    508,341.92x = 116,939,068,421.61
  5. Step 5: Solve for x
    x = 116,939,068,421.61/508,341.92
  6. Step 6: Final answer
    x = 230,040.18

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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.