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Finding the Fourth Proportional to 837,695, 1,155,931.62 and 475,002.92

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Solution

The fourth proportional to 837,695, 1,155,931.62 and 475,002.92 is: 655,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,695 : 1,155,931.62 = 475,002.92 : x
  2. Step 2: Convert to fraction form
    837,695/1,155,931.62 = 475,002.92/x
  3. Step 3: Cross multiply
    837,695x = 1,155,931.62 × 475,002.92
  4. Step 4: Simplify right side
    837,695x = 549,070,894,820.33
  5. Step 5: Solve for x
    x = 549,070,894,820.33/837,695
  6. Step 6: Final answer
    x = 655,454.43

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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.