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Finding the Fourth Proportional to 292,432.52, 403,327.53 and 190,490.06

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Solution

The fourth proportional to 292,432.52, 403,327.53 and 190,490.06 is: 262,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,432.52 : 403,327.53 = 190,490.06 : x
  2. Step 2: Convert to fraction form
    292,432.52/403,327.53 = 190,490.06/x
  3. Step 3: Cross multiply
    292,432.52x = 403,327.53 × 190,490.06
  4. Step 4: Simplify right side
    292,432.52x = 76,829,883,372.71
  5. Step 5: Solve for x
    x = 76,829,883,372.71/292,432.52
  6. Step 6: Final answer
    x = 262,726.88

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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.