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Finding the Fourth Proportional to 636,973.04, 955,466.86 and 216,281.72

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Solution

The fourth proportional to 636,973.04, 955,466.86 and 216,281.72 is: 324,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,973.04 : 955,466.86 = 216,281.72 : x
  2. Step 2: Convert to fraction form
    636,973.04/955,466.86 = 216,281.72/x
  3. Step 3: Cross multiply
    636,973.04x = 955,466.86 × 216,281.72
  4. Step 4: Simplify right side
    636,973.04x = 206,650,015,883.80
  5. Step 5: Solve for x
    x = 206,650,015,883.80/636,973.04
  6. Step 6: Final answer
    x = 324,425.06

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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.