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Finding the Fourth Proportional to 593,159.28, 818,254.68 and 402,107.76

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Solution

The fourth proportional to 593,159.28, 818,254.68 and 402,107.76 is: 554,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,159.28 : 818,254.68 = 402,107.76 : x
  2. Step 2: Convert to fraction form
    593,159.28/818,254.68 = 402,107.76/x
  3. Step 3: Cross multiply
    593,159.28x = 818,254.68 × 402,107.76
  4. Step 4: Simplify right side
    593,159.28x = 329,026,556,484.32
  5. Step 5: Solve for x
    x = 329,026,556,484.32/593,159.28
  6. Step 6: Final answer
    x = 554,701.86

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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.