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Finding the Fourth Proportional to 976,574.40, 1,464,170.40 and 444,350.40

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Solution

The fourth proportional to 976,574.40, 1,464,170.40 and 444,350.40 is: 666,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,574.40 : 1,464,170.40 = 444,350.40 : x
  2. Step 2: Convert to fraction form
    976,574.40/1,464,170.40 = 444,350.40/x
  3. Step 3: Cross multiply
    976,574.40x = 1,464,170.40 × 444,350.40
  4. Step 4: Simplify right side
    976,574.40x = 650,604,702,908.16
  5. Step 5: Solve for x
    x = 650,604,702,908.16/976,574.40
  6. Step 6: Final answer
    x = 666,211.10

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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.