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Finding the Fourth Proportional to 605,232.10, 907,848.15 and 395,280.10

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Solution

The fourth proportional to 605,232.10, 907,848.15 and 395,280.10 is: 592,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,232.10 : 907,848.15 = 395,280.10 : x
  2. Step 2: Convert to fraction form
    605,232.10/907,848.15 = 395,280.10/x
  3. Step 3: Cross multiply
    605,232.10x = 907,848.15 × 395,280.10
  4. Step 4: Simplify right side
    605,232.10x = 358,854,307,516.82
  5. Step 5: Solve for x
    x = 358,854,307,516.82/605,232.10
  6. Step 6: Final answer
    x = 592,920.15

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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.