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Finding the Fourth Proportional to 375,429.32, 563,024.76 and 122,652.20

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Solution

The fourth proportional to 375,429.32, 563,024.76 and 122,652.20 is: 183,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,429.32 : 563,024.76 = 122,652.20 : x
  2. Step 2: Convert to fraction form
    375,429.32/563,024.76 = 122,652.20/x
  3. Step 3: Cross multiply
    375,429.32x = 563,024.76 × 122,652.20
  4. Step 4: Simplify right side
    375,429.32x = 69,056,225,468.47
  5. Step 5: Solve for x
    x = 69,056,225,468.47/375,429.32
  6. Step 6: Final answer
    x = 183,939.35

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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.