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Finding the Fourth Proportional to 1,050.88, 1,575.04 and 473.92

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Solution

The fourth proportional to 1,050.88, 1,575.04 and 473.92 is: 710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.88 : 1,575.04 = 473.92 : x
  2. Step 2: Convert to fraction form
    1,050.88/1,575.04 = 473.92/x
  3. Step 3: Cross multiply
    1,050.88x = 1,575.04 × 473.92
  4. Step 4: Simplify right side
    1,050.88x = 746,442.96
  5. Step 5: Solve for x
    x = 746,442.96/1,050.88
  6. Step 6: Final answer
    x = 710.30

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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.