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Finding the Fourth Proportional to 1,001.59, 1,503.48 and 417.01

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Solution

The fourth proportional to 1,001.59, 1,503.48 and 417.01 is: 625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001.59 : 1,503.48 = 417.01 : x
  2. Step 2: Convert to fraction form
    1,001.59/1,503.48 = 417.01/x
  3. Step 3: Cross multiply
    1,001.59x = 1,503.48 × 417.01
  4. Step 4: Simplify right side
    1,001.59x = 626,962.44
  5. Step 5: Solve for x
    x = 626,962.44/1,001.59
  6. Step 6: Final answer
    x = 625.97

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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.