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Finding the Fourth Proportional to 504,590.04, 696,298.66 and 278,230.68

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Solution

The fourth proportional to 504,590.04, 696,298.66 and 278,230.68 is: 383,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,590.04 : 696,298.66 = 278,230.68 : x
  2. Step 2: Convert to fraction form
    504,590.04/696,298.66 = 278,230.68/x
  3. Step 3: Cross multiply
    504,590.04x = 696,298.66 × 278,230.68
  4. Step 4: Simplify right side
    504,590.04x = 193,731,649,654.89
  5. Step 5: Solve for x
    x = 193,731,649,654.89/504,590.04
  6. Step 6: Final answer
    x = 383,938.71

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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.