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Finding the Fourth Proportional to 571,403.80, 801,624.20 and 571,403.80

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Solution

The fourth proportional to 571,403.80, 801,624.20 and 571,403.80 is: 801,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,403.80 : 801,624.20 = 571,403.80 : x
  2. Step 2: Convert to fraction form
    571,403.80/801,624.20 = 571,403.80/x
  3. Step 3: Cross multiply
    571,403.80x = 801,624.20 × 571,403.80
  4. Step 4: Simplify right side
    571,403.80x = 458,051,114,051.96
  5. Step 5: Solve for x
    x = 458,051,114,051.96/571,403.80
  6. Step 6: Final answer
    x = 801,624.20

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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.