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Finding the Fourth Proportional to 520,095.60, 779,268.60 and 444,862.80

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Solution

The fourth proportional to 520,095.60, 779,268.60 and 444,862.80 is: 666,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,095.60 : 779,268.60 = 444,862.80 : x
  2. Step 2: Convert to fraction form
    520,095.60/779,268.60 = 444,862.80/x
  3. Step 3: Cross multiply
    520,095.60x = 779,268.60 × 444,862.80
  4. Step 4: Simplify right side
    520,095.60x = 346,667,611,348.08
  5. Step 5: Solve for x
    x = 346,667,611,348.08/520,095.60
  6. Step 6: Final answer
    x = 666,545.94

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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.