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Finding the Fourth Proportional to 533,591.03, 736,339.96 and 291,868.40

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Solution

The fourth proportional to 533,591.03, 736,339.96 and 291,868.40 is: 402,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,591.03 : 736,339.96 = 291,868.40 : x
  2. Step 2: Convert to fraction form
    533,591.03/736,339.96 = 291,868.40/x
  3. Step 3: Cross multiply
    533,591.03x = 736,339.96 × 291,868.40
  4. Step 4: Simplify right side
    533,591.03x = 214,914,361,569.89
  5. Step 5: Solve for x
    x = 214,914,361,569.89/533,591.03
  6. Step 6: Final answer
    x = 402,769.82

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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.