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Finding the Fourth Proportional to 359,137.32, 495,612.71 and 197,998.08

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Solution

The fourth proportional to 359,137.32, 495,612.71 and 197,998.08 is: 273,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,137.32 : 495,612.71 = 197,998.08 : x
  2. Step 2: Convert to fraction form
    359,137.32/495,612.71 = 197,998.08/x
  3. Step 3: Cross multiply
    359,137.32x = 495,612.71 × 197,998.08
  4. Step 4: Simplify right side
    359,137.32x = 98,130,365,003.60
  5. Step 5: Solve for x
    x = 98,130,365,003.60/359,137.32
  6. Step 6: Final answer
    x = 273,239.12

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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.