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Finding the Fourth Proportional to 636,967.50, 955,598.88 and 216,243.38

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Solution

The fourth proportional to 636,967.50, 955,598.88 and 216,243.38 is: 324,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,967.50 : 955,598.88 = 216,243.38 : x
  2. Step 2: Convert to fraction form
    636,967.50/955,598.88 = 216,243.38/x
  3. Step 3: Cross multiply
    636,967.50x = 955,598.88 × 216,243.38
  4. Step 4: Simplify right side
    636,967.50x = 206,641,926,957.42
  5. Step 5: Solve for x
    x = 206,641,926,957.42/636,967.50
  6. Step 6: Final answer
    x = 324,415.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.