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Finding the Fourth Proportional to 807,624.40, 1,208,812.20 and 807,624.40

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Solution

The fourth proportional to 807,624.40, 1,208,812.20 and 807,624.40 is: 1,208,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,624.40 : 1,208,812.20 = 807,624.40 : x
  2. Step 2: Convert to fraction form
    807,624.40/1,208,812.20 = 807,624.40/x
  3. Step 3: Cross multiply
    807,624.40x = 1,208,812.20 × 807,624.40
  4. Step 4: Simplify right side
    807,624.40x = 976,266,227,737.68
  5. Step 5: Solve for x
    x = 976,266,227,737.68/807,624.40
  6. Step 6: Final answer
    x = 1,208,812.20

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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.