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Finding the Fourth Proportional to 340,092.64, 469,454.24 and 292,153.60

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Solution

The fourth proportional to 340,092.64, 469,454.24 and 292,153.60 is: 403,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,092.64 : 469,454.24 = 292,153.60 : x
  2. Step 2: Convert to fraction form
    340,092.64/469,454.24 = 292,153.60/x
  3. Step 3: Cross multiply
    340,092.64x = 469,454.24 × 292,153.60
  4. Step 4: Simplify right side
    340,092.64x = 137,152,746,251.26
  5. Step 5: Solve for x
    x = 137,152,746,251.26/340,092.64
  6. Step 6: Final answer
    x = 403,280.55

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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.