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Finding the Fourth Proportional to 1,046.60, 1,570.19 and 584.72

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Solution

The fourth proportional to 1,046.60, 1,570.19 and 584.72 is: 877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.60 : 1,570.19 = 584.72 : x
  2. Step 2: Convert to fraction form
    1,046.60/1,570.19 = 584.72/x
  3. Step 3: Cross multiply
    1,046.60x = 1,570.19 × 584.72
  4. Step 4: Simplify right side
    1,046.60x = 918,116.61
  5. Step 5: Solve for x
    x = 918,116.61/1,046.60
  6. Step 6: Final answer
    x = 877.24

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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.