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Finding the Fourth Proportional to 359,043.74, 495,451.23 and 208,150.46

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Solution

The fourth proportional to 359,043.74, 495,451.23 and 208,150.46 is: 287,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,043.74 : 495,451.23 = 208,150.46 : x
  2. Step 2: Convert to fraction form
    359,043.74/495,451.23 = 208,150.46/x
  3. Step 3: Cross multiply
    359,043.74x = 495,451.23 × 208,150.46
  4. Step 4: Simplify right side
    359,043.74x = 103,128,401,432.07
  5. Step 5: Solve for x
    x = 103,128,401,432.07/359,043.74
  6. Step 6: Final answer
    x = 287,230.75

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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.