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Finding the Fourth Proportional to 575,776.80, 863,775.90 and 220,763.13

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Solution

The fourth proportional to 575,776.80, 863,775.90 and 220,763.13 is: 331,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,776.80 : 863,775.90 = 220,763.13 : x
  2. Step 2: Convert to fraction form
    575,776.80/863,775.90 = 220,763.13/x
  3. Step 3: Cross multiply
    575,776.80x = 863,775.90 × 220,763.13
  4. Step 4: Simplify right side
    575,776.80x = 190,689,871,302.57
  5. Step 5: Solve for x
    x = 190,689,871,302.57/575,776.80
  6. Step 6: Final answer
    x = 331,187.14

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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.