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Finding the Fourth Proportional to 611,744.20, 917,616.30 and 601,246.60

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Solution

The fourth proportional to 611,744.20, 917,616.30 and 601,246.60 is: 901,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,744.20 : 917,616.30 = 601,246.60 : x
  2. Step 2: Convert to fraction form
    611,744.20/917,616.30 = 601,246.60/x
  3. Step 3: Cross multiply
    611,744.20x = 917,616.30 × 601,246.60
  4. Step 4: Simplify right side
    611,744.20x = 551,713,680,479.58
  5. Step 5: Solve for x
    x = 551,713,680,479.58/611,744.20
  6. Step 6: Final answer
    x = 901,869.90

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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.