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Finding the Fourth Proportional to 1,501.88, 2,252.70 and 577.35

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Solution

The fourth proportional to 1,501.88, 2,252.70 and 577.35 is: 865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.88 : 2,252.70 = 577.35 : x
  2. Step 2: Convert to fraction form
    1,501.88/2,252.70 = 577.35/x
  3. Step 3: Cross multiply
    1,501.88x = 2,252.70 × 577.35
  4. Step 4: Simplify right side
    1,501.88x = 1,300,596.35
  5. Step 5: Solve for x
    x = 1,300,596.35/1,501.88
  6. Step 6: Final answer
    x = 865.98

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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.