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Finding the Fourth Proportional to 359,340.40, 495,888.92 and 216,183.52

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Solution

The fourth proportional to 359,340.40, 495,888.92 and 216,183.52 is: 298,332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,340.40 : 495,888.92 = 216,183.52 : x
  2. Step 2: Convert to fraction form
    359,340.40/495,888.92 = 216,183.52/x
  3. Step 3: Cross multiply
    359,340.40x = 495,888.92 × 216,183.52
  4. Step 4: Simplify right side
    359,340.40x = 107,203,012,254.60
  5. Step 5: Solve for x
    x = 107,203,012,254.60/359,340.40
  6. Step 6: Final answer
    x = 298,332.76

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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.