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Finding the Fourth Proportional to 768,038.48, 1,152,064.56 and 235,562

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Solution

The fourth proportional to 768,038.48, 1,152,064.56 and 235,562 is: 353,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,038.48 : 1,152,064.56 = 235,562 : x
  2. Step 2: Convert to fraction form
    768,038.48/1,152,064.56 = 235,562/x
  3. Step 3: Cross multiply
    768,038.48x = 1,152,064.56 × 235,562
  4. Step 4: Simplify right side
    768,038.48x = 271,382,631,882.72
  5. Step 5: Solve for x
    x = 271,382,631,882.72/768,038.48
  6. Step 6: Final answer
    x = 353,345.10

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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.