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Finding the Fourth Proportional to 458,593.86, 684,802.72 and 374,520.93

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Solution

The fourth proportional to 458,593.86, 684,802.72 and 374,520.93 is: 559,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,593.86 : 684,802.72 = 374,520.93 : x
  2. Step 2: Convert to fraction form
    458,593.86/684,802.72 = 374,520.93/x
  3. Step 3: Cross multiply
    458,593.86x = 684,802.72 × 374,520.93
  4. Step 4: Simplify right side
    458,593.86x = 256,472,947,354.39
  5. Step 5: Solve for x
    x = 256,472,947,354.39/458,593.86
  6. Step 6: Final answer
    x = 559,259.44

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Double scale
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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.