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Finding the Fourth Proportional to 359,148.62, 495,683.61 and 216,053.30

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Solution

The fourth proportional to 359,148.62, 495,683.61 and 216,053.30 is: 298,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,148.62 : 495,683.61 = 216,053.30 : x
  2. Step 2: Convert to fraction form
    359,148.62/495,683.61 = 216,053.30/x
  3. Step 3: Cross multiply
    359,148.62x = 495,683.61 × 216,053.30
  4. Step 4: Simplify right side
    359,148.62x = 107,094,079,696.41
  5. Step 5: Solve for x
    x = 107,094,079,696.41/359,148.62
  6. Step 6: Final answer
    x = 298,188.75

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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.