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Finding the Fourth Proportional to 577,478.30, 866,365.07 and 240,406.92

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Solution

The fourth proportional to 577,478.30, 866,365.07 and 240,406.92 is: 360,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,478.30 : 866,365.07 = 240,406.92 : x
  2. Step 2: Convert to fraction form
    577,478.30/866,365.07 = 240,406.92/x
  3. Step 3: Cross multiply
    577,478.30x = 866,365.07 × 240,406.92
  4. Step 4: Simplify right side
    577,478.30x = 208,280,156,872.25
  5. Step 5: Solve for x
    x = 208,280,156,872.25/577,478.30
  6. Step 6: Final answer
    x = 360,671.84

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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.