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Finding the Fourth Proportional to 615,150.60, 922,725.90 and 556,101.60

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Solution

The fourth proportional to 615,150.60, 922,725.90 and 556,101.60 is: 834,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,150.60 : 922,725.90 = 556,101.60 : x
  2. Step 2: Convert to fraction form
    615,150.60/922,725.90 = 556,101.60/x
  3. Step 3: Cross multiply
    615,150.60x = 922,725.90 × 556,101.60
  4. Step 4: Simplify right side
    615,150.60x = 513,129,349,351.44
  5. Step 5: Solve for x
    x = 513,129,349,351.44/615,150.60
  6. Step 6: Final answer
    x = 834,152.40

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