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Finding the Fourth Proportional to 292,048.56, 403,209.47 and 223,934.69

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Solution

The fourth proportional to 292,048.56, 403,209.47 and 223,934.69 is: 309,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,048.56 : 403,209.47 = 223,934.69 : x
  2. Step 2: Convert to fraction form
    292,048.56/403,209.47 = 223,934.69/x
  3. Step 3: Cross multiply
    292,048.56x = 403,209.47 × 223,934.69
  4. Step 4: Simplify right side
    292,048.56x = 90,292,584,533.79
  5. Step 5: Solve for x
    x = 90,292,584,533.79/292,048.56
  6. Step 6: Final answer
    x = 309,169.76

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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.