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Finding the Fourth Proportional to 1,050.47, 1,575.96 and 473.34

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Solution

The fourth proportional to 1,050.47, 1,575.96 and 473.34 is: 710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.47 : 1,575.96 = 473.34 : x
  2. Step 2: Convert to fraction form
    1,050.47/1,575.96 = 473.34/x
  3. Step 3: Cross multiply
    1,050.47x = 1,575.96 × 473.34
  4. Step 4: Simplify right side
    1,050.47x = 745,969.04
  5. Step 5: Solve for x
    x = 745,969.04/1,050.47
  6. Step 6: Final answer
    x = 710.13

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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.