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Finding the Fourth Proportional to 504,459.13, 696,158.36 and 278,112.73

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Solution

The fourth proportional to 504,459.13, 696,158.36 and 278,112.73 is: 383,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,459.13 : 696,158.36 = 278,112.73 : x
  2. Step 2: Convert to fraction form
    504,459.13/696,158.36 = 278,112.73/x
  3. Step 3: Cross multiply
    504,459.13x = 696,158.36 × 278,112.73
  4. Step 4: Simplify right side
    504,459.13x = 193,610,502,011.92
  5. Step 5: Solve for x
    x = 193,610,502,011.92/504,459.13
  6. Step 6: Final answer
    x = 383,798.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.