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Finding the Fourth Proportional to 676,363.13, 933,410.46 and 374,557.13

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Solution

The fourth proportional to 676,363.13, 933,410.46 and 374,557.13 is: 516,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,363.13 : 933,410.46 = 374,557.13 : x
  2. Step 2: Convert to fraction form
    676,363.13/933,410.46 = 374,557.13/x
  3. Step 3: Cross multiply
    676,363.13x = 933,410.46 × 374,557.13
  4. Step 4: Simplify right side
    676,363.13x = 349,615,538,342.53
  5. Step 5: Solve for x
    x = 349,615,538,342.53/676,363.13
  6. Step 6: Final answer
    x = 516,905.08

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Double scale
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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.