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Finding the Fourth Proportional to 503,953.38, 695,455.68 and 277,598.88

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Solution

The fourth proportional to 503,953.38, 695,455.68 and 277,598.88 is: 383,086.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,953.38 : 695,455.68 = 277,598.88 : x
  2. Step 2: Convert to fraction form
    503,953.38/695,455.68 = 277,598.88/x
  3. Step 3: Cross multiply
    503,953.38x = 695,455.68 × 277,598.88
  4. Step 4: Simplify right side
    503,953.38x = 193,057,717,857.64
  5. Step 5: Solve for x
    x = 193,057,717,857.64/503,953.38
  6. Step 6: Final answer
    x = 383,086.46

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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.