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Finding the Fourth Proportional to 292,693.52, 403,917 and 158,557.52

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Solution

The fourth proportional to 292,693.52, 403,917 and 158,557.52 is: 218,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,693.52 : 403,917 = 158,557.52 : x
  2. Step 2: Convert to fraction form
    292,693.52/403,917 = 158,557.52/x
  3. Step 3: Cross multiply
    292,693.52x = 403,917 × 158,557.52
  4. Step 4: Simplify right side
    292,693.52x = 64,044,077,805.84
  5. Step 5: Solve for x
    x = 64,044,077,805.84/292,693.52
  6. Step 6: Final answer
    x = 218,809.35

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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.