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Finding the Fourth Proportional to 556,937.52, 768,553.20 and 302,283.24

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Solution

The fourth proportional to 556,937.52, 768,553.20 and 302,283.24 is: 417,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,937.52 : 768,553.20 = 302,283.24 : x
  2. Step 2: Convert to fraction form
    556,937.52/768,553.20 = 302,283.24/x
  3. Step 3: Cross multiply
    556,937.52x = 768,553.20 × 302,283.24
  4. Step 4: Simplify right side
    556,937.52x = 232,320,751,408.37
  5. Step 5: Solve for x
    x = 232,320,751,408.37/556,937.52
  6. Step 6: Final answer
    x = 417,139.70

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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.