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Finding the Fourth Proportional to 533,605.60, 736,348.26 and 291,841.12

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Solution

The fourth proportional to 533,605.60, 736,348.26 and 291,841.12 is: 402,725.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,605.60 : 736,348.26 = 291,841.12 : x
  2. Step 2: Convert to fraction form
    533,605.60/736,348.26 = 291,841.12/x
  3. Step 3: Cross multiply
    533,605.60x = 736,348.26 × 291,841.12
  4. Step 4: Simplify right side
    533,605.60x = 214,896,700,908.45
  5. Step 5: Solve for x
    x = 214,896,700,908.45/533,605.60
  6. Step 6: Final answer
    x = 402,725.72

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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.