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Finding the Fourth Proportional to 571,402.80, 801,622.80 and 571,402.80

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Solution

The fourth proportional to 571,402.80, 801,622.80 and 571,402.80 is: 801,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,402.80 : 801,622.80 = 571,402.80 : x
  2. Step 2: Convert to fraction form
    571,402.80/801,622.80 = 571,402.80/x
  3. Step 3: Cross multiply
    571,402.80x = 801,622.80 × 571,402.80
  4. Step 4: Simplify right side
    571,402.80x = 458,049,512,463.84
  5. Step 5: Solve for x
    x = 458,049,512,463.84/571,402.80
  6. Step 6: Final answer
    x = 801,622.80

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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.