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Finding the Fourth Proportional to 593,065.32, 818,488.74 and 338,454.78

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Solution

The fourth proportional to 593,065.32, 818,488.74 and 338,454.78 is: 467,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,065.32 : 818,488.74 = 338,454.78 : x
  2. Step 2: Convert to fraction form
    593,065.32/818,488.74 = 338,454.78/x
  3. Step 3: Cross multiply
    593,065.32x = 818,488.74 × 338,454.78
  4. Step 4: Simplify right side
    593,065.32x = 277,021,426,429.18
  5. Step 5: Solve for x
    x = 277,021,426,429.18/593,065.32
  6. Step 6: Final answer
    x = 467,101.04

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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.