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Finding the Fourth Proportional to 292,204.10, 438,306.15 and 239,672.90

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Solution

The fourth proportional to 292,204.10, 438,306.15 and 239,672.90 is: 359,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,204.10 : 438,306.15 = 239,672.90 : x
  2. Step 2: Convert to fraction form
    292,204.10/438,306.15 = 239,672.90/x
  3. Step 3: Cross multiply
    292,204.10x = 438,306.15 × 239,672.90
  4. Step 4: Simplify right side
    292,204.10x = 105,050,106,058.34
  5. Step 5: Solve for x
    x = 105,050,106,058.34/292,204.10
  6. Step 6: Final answer
    x = 359,509.35

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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.