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Finding the Fourth Proportional to 372,894.04, 514,594.65 and 203,139.10

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Solution

The fourth proportional to 372,894.04, 514,594.65 and 203,139.10 is: 280,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,894.04 : 514,594.65 = 203,139.10 : x
  2. Step 2: Convert to fraction form
    372,894.04/514,594.65 = 203,139.10/x
  3. Step 3: Cross multiply
    372,894.04x = 514,594.65 × 203,139.10
  4. Step 4: Simplify right side
    372,894.04x = 104,534,294,065.82
  5. Step 5: Solve for x
    x = 104,534,294,065.82/372,894.04
  6. Step 6: Final answer
    x = 280,332.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.