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Finding the Fourth Proportional to 719,632.24, 992,676.17 and 464,983.42

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Solution

The fourth proportional to 719,632.24, 992,676.17 and 464,983.42 is: 641,408.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,632.24 : 992,676.17 = 464,983.42 : x
  2. Step 2: Convert to fraction form
    719,632.24/992,676.17 = 464,983.42/x
  3. Step 3: Cross multiply
    719,632.24x = 992,676.17 × 464,983.42
  4. Step 4: Simplify right side
    719,632.24x = 461,577,960,479.10
  5. Step 5: Solve for x
    x = 461,577,960,479.10/719,632.24
  6. Step 6: Final answer
    x = 641,408.12

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Double scale
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1.5x scale

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.