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Finding the Fourth Proportional to 571,047.20, 854,727.60 and 526,810.40

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Solution

The fourth proportional to 571,047.20, 854,727.60 and 526,810.40 is: 788,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,047.20 : 854,727.60 = 526,810.40 : x
  2. Step 2: Convert to fraction form
    571,047.20/854,727.60 = 526,810.40/x
  3. Step 3: Cross multiply
    571,047.20x = 854,727.60 × 526,810.40
  4. Step 4: Simplify right side
    571,047.20x = 450,279,388,847.04
  5. Step 5: Solve for x
    x = 450,279,388,847.04/571,047.20
  6. Step 6: Final answer
    x = 788,515.19

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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.