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Finding the Fourth Proportional to 359,053.60, 495,497.44 and 197,914.88

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Solution

The fourth proportional to 359,053.60, 495,497.44 and 197,914.88 is: 273,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,053.60 : 495,497.44 = 197,914.88 : x
  2. Step 2: Convert to fraction form
    359,053.60/495,497.44 = 197,914.88/x
  3. Step 3: Cross multiply
    359,053.60x = 495,497.44 × 197,914.88
  4. Step 4: Simplify right side
    359,053.60x = 98,066,316,377.91
  5. Step 5: Solve for x
    x = 98,066,316,377.91/359,053.60
  6. Step 6: Final answer
    x = 273,124.45

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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.