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Finding the Fourth Proportional to 292,616.69, 438,925.04 and 82,254.63

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Solution

The fourth proportional to 292,616.69, 438,925.04 and 82,254.63 is: 123,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,616.69 : 438,925.04 = 82,254.63 : x
  2. Step 2: Convert to fraction form
    292,616.69/438,925.04 = 82,254.63/x
  3. Step 3: Cross multiply
    292,616.69x = 438,925.04 × 82,254.63
  4. Step 4: Simplify right side
    292,616.69x = 36,103,616,351.66
  5. Step 5: Solve for x
    x = 36,103,616,351.66/292,616.69
  6. Step 6: Final answer
    x = 123,381.95

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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.