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Finding the Fourth Proportional to 1,045.88, 1,569.02 and 468.75

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Solution

The fourth proportional to 1,045.88, 1,569.02 and 468.75 is: 703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.88 : 1,569.02 = 468.75 : x
  2. Step 2: Convert to fraction form
    1,045.88/1,569.02 = 468.75/x
  3. Step 3: Cross multiply
    1,045.88x = 1,569.02 × 468.75
  4. Step 4: Simplify right side
    1,045.88x = 735,475.78
  5. Step 5: Solve for x
    x = 735,475.78/1,045.88
  6. Step 6: Final answer
    x = 703.22

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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.