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Finding the Fourth Proportional to 956.64, 1,432.53 and 522.89

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Solution

The fourth proportional to 956.64, 1,432.53 and 522.89 is: 783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.64 : 1,432.53 = 522.89 : x
  2. Step 2: Convert to fraction form
    956.64/1,432.53 = 522.89/x
  3. Step 3: Cross multiply
    956.64x = 1,432.53 × 522.89
  4. Step 4: Simplify right side
    956.64x = 749,053.82
  5. Step 5: Solve for x
    x = 749,053.82/956.64
  6. Step 6: Final answer
    x = 783.00

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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.