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Finding the Fourth Proportional to 473,574.01, 709,226.20 and 345,146.08

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Solution

The fourth proportional to 473,574.01, 709,226.20 and 345,146.08 is: 516,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,574.01 : 709,226.20 = 345,146.08 : x
  2. Step 2: Convert to fraction form
    473,574.01/709,226.20 = 345,146.08/x
  3. Step 3: Cross multiply
    473,574.01x = 709,226.20 × 345,146.08
  4. Step 4: Simplify right side
    473,574.01x = 244,786,642,763.30
  5. Step 5: Solve for x
    x = 244,786,642,763.30/473,574.01
  6. Step 6: Final answer
    x = 516,892.05

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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.