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Finding the Fourth Proportional to 359,118.75, 495,585.36 and 197,970.24

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Solution

The fourth proportional to 359,118.75, 495,585.36 and 197,970.24 is: 273,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,118.75 : 495,585.36 = 197,970.24 : x
  2. Step 2: Convert to fraction form
    359,118.75/495,585.36 = 197,970.24/x
  3. Step 3: Cross multiply
    359,118.75x = 495,585.36 × 197,970.24
  4. Step 4: Simplify right side
    359,118.75x = 98,111,152,659.69
  5. Step 5: Solve for x
    x = 98,111,152,659.69/359,118.75
  6. Step 6: Final answer
    x = 273,199.75

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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.