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Finding the Fourth Proportional to 605,411.70, 908,117.55 and 250,307.70

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Solution

The fourth proportional to 605,411.70, 908,117.55 and 250,307.70 is: 375,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,411.70 : 908,117.55 = 250,307.70 : x
  2. Step 2: Convert to fraction form
    605,411.70/908,117.55 = 250,307.70/x
  3. Step 3: Cross multiply
    605,411.70x = 908,117.55 × 250,307.70
  4. Step 4: Simplify right side
    605,411.70x = 227,308,815,270.14
  5. Step 5: Solve for x
    x = 227,308,815,270.14/605,411.70
  6. Step 6: Final answer
    x = 375,461.55

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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.