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Finding the Fourth Proportional to 762,264.32, 1,052,262.40 and 533,720

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Solution

The fourth proportional to 762,264.32, 1,052,262.40 and 533,720 is: 736,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,264.32 : 1,052,262.40 = 533,720 : x
  2. Step 2: Convert to fraction form
    762,264.32/1,052,262.40 = 533,720/x
  3. Step 3: Cross multiply
    762,264.32x = 1,052,262.40 × 533,720
  4. Step 4: Simplify right side
    762,264.32x = 561,613,488,128
  5. Step 5: Solve for x
    x = 561,613,488,128/762,264.32
  6. Step 6: Final answer
    x = 736,770.01

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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.