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Finding the Fourth Proportional to 292,252.40, 438,422.40 and 123,772.40

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Solution

The fourth proportional to 292,252.40, 438,422.40 and 123,772.40 is: 185,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,252.40 : 438,422.40 = 123,772.40 : x
  2. Step 2: Convert to fraction form
    292,252.40/438,422.40 = 123,772.40/x
  3. Step 3: Cross multiply
    292,252.40x = 438,422.40 × 123,772.40
  4. Step 4: Simplify right side
    292,252.40x = 54,264,592,661.76
  5. Step 5: Solve for x
    x = 54,264,592,661.76/292,252.40
  6. Step 6: Final answer
    x = 185,677.15

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1.5x scale

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.