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Finding the Fourth Proportional to 571,427.60, 859,117.80 and 534,426.80

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Solution

The fourth proportional to 571,427.60, 859,117.80 and 534,426.80 is: 803,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,427.60 : 859,117.80 = 534,426.80 : x
  2. Step 2: Convert to fraction form
    571,427.60/859,117.80 = 534,426.80/x
  3. Step 3: Cross multiply
    571,427.60x = 859,117.80 × 534,426.80
  4. Step 4: Simplify right side
    571,427.60x = 459,135,576,677.04
  5. Step 5: Solve for x
    x = 459,135,576,677.04/571,427.60
  6. Step 6: Final answer
    x = 803,488.63

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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.