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Finding the Fourth Proportional to 801,009.30, 1,119,313.50 and 801,009.30

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Solution

The fourth proportional to 801,009.30, 1,119,313.50 and 801,009.30 is: 1,119,313.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,009.30 : 1,119,313.50 = 801,009.30 : x
  2. Step 2: Convert to fraction form
    801,009.30/1,119,313.50 = 801,009.30/x
  3. Step 3: Cross multiply
    801,009.30x = 1,119,313.50 × 801,009.30
  4. Step 4: Simplify right side
    801,009.30x = 896,580,523,115.55
  5. Step 5: Solve for x
    x = 896,580,523,115.55/801,009.30
  6. Step 6: Final answer
    x = 1,119,313.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.