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Finding the Fourth Proportional to 533,842.72, 736,702.79 and 292,125.22

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Solution

The fourth proportional to 533,842.72, 736,702.79 and 292,125.22 is: 403,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,842.72 : 736,702.79 = 292,125.22 : x
  2. Step 2: Convert to fraction form
    533,842.72/736,702.79 = 292,125.22/x
  3. Step 3: Cross multiply
    533,842.72x = 736,702.79 × 292,125.22
  4. Step 4: Simplify right side
    533,842.72x = 215,209,461,300.98
  5. Step 5: Solve for x
    x = 215,209,461,300.98/533,842.72
  6. Step 6: Final answer
    x = 403,132.71

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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.