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Finding the Fourth Proportional to 292,374.53, 403,472.48 and 163,314.80

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Solution

The fourth proportional to 292,374.53, 403,472.48 and 163,314.80 is: 225,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,374.53 : 403,472.48 = 163,314.80 : x
  2. Step 2: Convert to fraction form
    292,374.53/403,472.48 = 163,314.80/x
  3. Step 3: Cross multiply
    292,374.53x = 403,472.48 × 163,314.80
  4. Step 4: Simplify right side
    292,374.53x = 65,893,024,542.77
  5. Step 5: Solve for x
    x = 65,893,024,542.77/292,374.53
  6. Step 6: Final answer
    x = 225,371.98

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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.