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Finding the Fourth Proportional to 504,430.48, 696,079.18 and 283,700.82

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Solution

The fourth proportional to 504,430.48, 696,079.18 and 283,700.82 is: 391,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,430.48 : 696,079.18 = 283,700.82 : x
  2. Step 2: Convert to fraction form
    504,430.48/696,079.18 = 283,700.82/x
  3. Step 3: Cross multiply
    504,430.48x = 696,079.18 × 283,700.82
  4. Step 4: Simplify right side
    504,430.48x = 197,478,234,150.93
  5. Step 5: Solve for x
    x = 197,478,234,150.93/504,430.48
  6. Step 6: Final answer
    x = 391,487.51

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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.