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Finding the Fourth Proportional to 386,572.80, 533,488.43 and 241,464.50

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Solution

The fourth proportional to 386,572.80, 533,488.43 and 241,464.50 is: 333,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,572.80 : 533,488.43 = 241,464.50 : x
  2. Step 2: Convert to fraction form
    386,572.80/533,488.43 = 241,464.50/x
  3. Step 3: Cross multiply
    386,572.80x = 533,488.43 × 241,464.50
  4. Step 4: Simplify right side
    386,572.80x = 128,818,513,130.97
  5. Step 5: Solve for x
    x = 128,818,513,130.97/386,572.80
  6. Step 6: Final answer
    x = 333,232.22

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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.