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Finding the Fourth Proportional to 607,084.05, 910,626.08 and 292,156.05

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Solution

The fourth proportional to 607,084.05, 910,626.08 and 292,156.05 is: 438,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,084.05 : 910,626.08 = 292,156.05 : x
  2. Step 2: Convert to fraction form
    607,084.05/910,626.08 = 292,156.05/x
  3. Step 3: Cross multiply
    607,084.05x = 910,626.08 × 292,156.05
  4. Step 4: Simplify right side
    607,084.05x = 266,044,917,099.00
  5. Step 5: Solve for x
    x = 266,044,917,099.00/607,084.05
  6. Step 6: Final answer
    x = 438,234.08

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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.