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Finding the Fourth Proportional to 676,358.25, 933,403.73 and 374,552.25

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Solution

The fourth proportional to 676,358.25, 933,403.73 and 374,552.25 is: 516,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,358.25 : 933,403.73 = 374,552.25 : x
  2. Step 2: Convert to fraction form
    676,358.25/933,403.73 = 374,552.25/x
  3. Step 3: Cross multiply
    676,358.25x = 933,403.73 × 374,552.25
  4. Step 4: Simplify right side
    676,358.25x = 349,608,465,357.13
  5. Step 5: Solve for x
    x = 349,608,465,357.13/676,358.25
  6. Step 6: Final answer
    x = 516,898.35

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.