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Finding the Fourth Proportional to 542,960.64, 750,187.20 and 429,112.32

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Solution

The fourth proportional to 542,960.64, 750,187.20 and 429,112.32 is: 592,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,960.64 : 750,187.20 = 429,112.32 : x
  2. Step 2: Convert to fraction form
    542,960.64/750,187.20 = 429,112.32/x
  3. Step 3: Cross multiply
    542,960.64x = 750,187.20 × 429,112.32
  4. Step 4: Simplify right side
    542,960.64x = 321,914,569,826.30
  5. Step 5: Solve for x
    x = 321,914,569,826.30/542,960.64
  6. Step 6: Final answer
    x = 592,887.49

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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.