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Finding the Fourth Proportional to 768,034.48, 1,152,058.56 and 235,558

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Solution

The fourth proportional to 768,034.48, 1,152,058.56 and 235,558 is: 353,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,034.48 : 1,152,058.56 = 235,558 : x
  2. Step 2: Convert to fraction form
    768,034.48/1,152,058.56 = 235,558/x
  3. Step 3: Cross multiply
    768,034.48x = 1,152,058.56 × 235,558
  4. Step 4: Simplify right side
    768,034.48x = 271,376,610,276.48
  5. Step 5: Solve for x
    x = 271,376,610,276.48/768,034.48
  6. Step 6: Final answer
    x = 353,339.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.