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Finding the Fourth Proportional to 758.51, 1,045.32 and 592.46

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Solution

The fourth proportional to 758.51, 1,045.32 and 592.46 is: 816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    758.51 : 1,045.32 = 592.46 : x
  2. Step 2: Convert to fraction form
    758.51/1,045.32 = 592.46/x
  3. Step 3: Cross multiply
    758.51x = 1,045.32 × 592.46
  4. Step 4: Simplify right side
    758.51x = 619,305.06
  5. Step 5: Solve for x
    x = 619,305.06/758.51
  6. Step 6: Final answer
    x = 816.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.