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Finding the Fourth Proportional to 533,856.57, 736,722.13 and 292,139.19

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Solution

The fourth proportional to 533,856.57, 736,722.13 and 292,139.19 is: 403,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,856.57 : 736,722.13 = 292,139.19 : x
  2. Step 2: Convert to fraction form
    533,856.57/736,722.13 = 292,139.19/x
  3. Step 3: Cross multiply
    533,856.57x = 736,722.13 × 292,139.19
  4. Step 4: Simplify right side
    533,856.57x = 215,225,406,313.28
  5. Step 5: Solve for x
    x = 215,225,406,313.28/533,856.57
  6. Step 6: Final answer
    x = 403,152.12

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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.