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Finding the Fourth Proportional to 768,036.48, 1,152,061.56 and 235,560

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Solution

The fourth proportional to 768,036.48, 1,152,061.56 and 235,560 is: 353,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,036.48 : 1,152,061.56 = 235,560 : x
  2. Step 2: Convert to fraction form
    768,036.48/1,152,061.56 = 235,560/x
  3. Step 3: Cross multiply
    768,036.48x = 1,152,061.56 × 235,560
  4. Step 4: Simplify right side
    768,036.48x = 271,379,621,073.60
  5. Step 5: Solve for x
    x = 271,379,621,073.60/768,036.48
  6. Step 6: Final answer
    x = 353,342.10

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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.