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Finding the Fourth Proportional to 292,048.47, 403,209.35 and 223,934.60

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Solution

The fourth proportional to 292,048.47, 403,209.35 and 223,934.60 is: 309,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,048.47 : 403,209.35 = 223,934.60 : x
  2. Step 2: Convert to fraction form
    292,048.47/403,209.35 = 223,934.60/x
  3. Step 3: Cross multiply
    292,048.47x = 403,209.35 × 223,934.60
  4. Step 4: Simplify right side
    292,048.47x = 90,292,524,396.86
  5. Step 5: Solve for x
    x = 90,292,524,396.86/292,048.47
  6. Step 6: Final answer
    x = 309,169.65

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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.