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Finding the Fourth Proportional to 558,953.28, 771,106.32 and 377,606.88

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Solution

The fourth proportional to 558,953.28, 771,106.32 and 377,606.88 is: 520,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,953.28 : 771,106.32 = 377,606.88 : x
  2. Step 2: Convert to fraction form
    558,953.28/771,106.32 = 377,606.88/x
  3. Step 3: Cross multiply
    558,953.28x = 771,106.32 × 377,606.88
  4. Step 4: Simplify right side
    558,953.28x = 291,175,051,643.48
  5. Step 5: Solve for x
    x = 291,175,051,643.48/558,953.28
  6. Step 6: Final answer
    x = 520,929.14

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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.