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Finding the Fourth Proportional to 508,041.92, 761,920.73 and 153,004.34

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Solution

The fourth proportional to 508,041.92, 761,920.73 and 153,004.34 is: 229,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,041.92 : 761,920.73 = 153,004.34 : x
  2. Step 2: Convert to fraction form
    508,041.92/761,920.73 = 153,004.34/x
  3. Step 3: Cross multiply
    508,041.92x = 761,920.73 × 153,004.34
  4. Step 4: Simplify right side
    508,041.92x = 116,577,180,139.52
  5. Step 5: Solve for x
    x = 116,577,180,139.52/508,041.92
  6. Step 6: Final answer
    x = 229,463.70

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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.