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Finding the Fourth Proportional to 438,572.16, 605,229.30 and 237,368.16

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Solution

The fourth proportional to 438,572.16, 605,229.30 and 237,368.16 is: 327,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,572.16 : 605,229.30 = 237,368.16 : x
  2. Step 2: Convert to fraction form
    438,572.16/605,229.30 = 237,368.16/x
  3. Step 3: Cross multiply
    438,572.16x = 605,229.30 × 237,368.16
  4. Step 4: Simplify right side
    438,572.16x = 143,662,165,319.09
  5. Step 5: Solve for x
    x = 143,662,165,319.09/438,572.16
  6. Step 6: Final answer
    x = 327,567.91

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1.5x scale

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.