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Finding the Fourth Proportional to 710.48, 1,060.01 and 632.51

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Solution

The fourth proportional to 710.48, 1,060.01 and 632.51 is: 943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.48 : 1,060.01 = 632.51 : x
  2. Step 2: Convert to fraction form
    710.48/1,060.01 = 632.51/x
  3. Step 3: Cross multiply
    710.48x = 1,060.01 × 632.51
  4. Step 4: Simplify right side
    710.48x = 670,466.41
  5. Step 5: Solve for x
    x = 670,466.41/710.48
  6. Step 6: Final answer
    x = 943.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.