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Finding the Fourth Proportional to 556,937.52, 768,575.26 and 302,288.71

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Solution

The fourth proportional to 556,937.52, 768,575.26 and 302,288.71 is: 417,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,937.52 : 768,575.26 = 302,288.71 : x
  2. Step 2: Convert to fraction form
    556,937.52/768,575.26 = 302,288.71/x
  3. Step 3: Cross multiply
    556,937.52x = 768,575.26 × 302,288.71
  4. Step 4: Simplify right side
    556,937.52x = 232,331,623,883.32
  5. Step 5: Solve for x
    x = 232,331,623,883.32/556,937.52
  6. Step 6: Final answer
    x = 417,159.22

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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.