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Finding the Fourth Proportional to 533,989.86, 736,874.78 and 292,276.95

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Solution

The fourth proportional to 533,989.86, 736,874.78 and 292,276.95 is: 403,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,989.86 : 736,874.78 = 292,276.95 : x
  2. Step 2: Convert to fraction form
    533,989.86/736,874.78 = 292,276.95/x
  3. Step 3: Cross multiply
    533,989.86x = 736,874.78 × 292,276.95
  4. Step 4: Simplify right side
    533,989.86x = 215,371,513,230.32
  5. Step 5: Solve for x
    x = 215,371,513,230.32/533,989.86
  6. Step 6: Final answer
    x = 403,325.10

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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.