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Finding the Fourth Proportional to 576,095.60, 863,365.80 and 386,015.60

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Solution

The fourth proportional to 576,095.60, 863,365.80 and 386,015.60 is: 578,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,095.60 : 863,365.80 = 386,015.60 : x
  2. Step 2: Convert to fraction form
    576,095.60/863,365.80 = 386,015.60/x
  3. Step 3: Cross multiply
    576,095.60x = 863,365.80 × 386,015.60
  4. Step 4: Simplify right side
    576,095.60x = 333,272,667,306.48
  5. Step 5: Solve for x
    x = 333,272,667,306.48/576,095.60
  6. Step 6: Final answer
    x = 578,502.37

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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.