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Finding the Fourth Proportional to 458,595.52, 684,805.19 and 374,522.58

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Solution

The fourth proportional to 458,595.52, 684,805.19 and 374,522.58 is: 559,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,595.52 : 684,805.19 = 374,522.58 : x
  2. Step 2: Convert to fraction form
    458,595.52/684,805.19 = 374,522.58/x
  3. Step 3: Cross multiply
    458,595.52x = 684,805.19 × 374,522.58
  4. Step 4: Simplify right side
    458,595.52x = 256,475,007,331.90
  5. Step 5: Solve for x
    x = 256,475,007,331.90/458,595.52
  6. Step 6: Final answer
    x = 559,261.91

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.