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Finding the Fourth Proportional to 440,555.70, 607,990.89 and 249,606.30

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Solution

The fourth proportional to 440,555.70, 607,990.89 and 249,606.30 is: 344,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,555.70 : 607,990.89 = 249,606.30 : x
  2. Step 2: Convert to fraction form
    440,555.70/607,990.89 = 249,606.30/x
  3. Step 3: Cross multiply
    440,555.70x = 607,990.89 × 249,606.30
  4. Step 4: Simplify right side
    440,555.70x = 151,758,353,446.65
  5. Step 5: Solve for x
    x = 151,758,353,446.65/440,555.70
  6. Step 6: Final answer
    x = 344,470.30

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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.