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Finding the Fourth Proportional to 575,869.64, 863,435.37 and 239,142.71

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Solution

The fourth proportional to 575,869.64, 863,435.37 and 239,142.71 is: 358,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,869.64 : 863,435.37 = 239,142.71 : x
  2. Step 2: Convert to fraction form
    575,869.64/863,435.37 = 239,142.71/x
  3. Step 3: Cross multiply
    575,869.64x = 863,435.37 × 239,142.71
  4. Step 4: Simplify right side
    575,869.64x = 206,484,277,347.03
  5. Step 5: Solve for x
    x = 206,484,277,347.03/575,869.64
  6. Step 6: Final answer
    x = 358,560.80

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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.