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Finding the Fourth Proportional to 607,084.16, 910,761.60 and 186,402.56

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Solution

The fourth proportional to 607,084.16, 910,761.60 and 186,402.56 is: 279,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,084.16 : 910,761.60 = 186,402.56 : x
  2. Step 2: Convert to fraction form
    607,084.16/910,761.60 = 186,402.56/x
  3. Step 3: Cross multiply
    607,084.16x = 910,761.60 × 186,402.56
  4. Step 4: Simplify right side
    607,084.16x = 169,768,293,789.70
  5. Step 5: Solve for x
    x = 169,768,293,789.70/607,084.16
  6. Step 6: Final answer
    x = 279,645.40

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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.