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Finding the Fourth Proportional to 615,241.80, 922,862.70 and 575,584.20

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Solution

The fourth proportional to 615,241.80, 922,862.70 and 575,584.20 is: 863,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,241.80 : 922,862.70 = 575,584.20 : x
  2. Step 2: Convert to fraction form
    615,241.80/922,862.70 = 575,584.20/x
  3. Step 3: Cross multiply
    615,241.80x = 922,862.70 × 575,584.20
  4. Step 4: Simplify right side
    615,241.80x = 531,185,188,889.34
  5. Step 5: Solve for x
    x = 531,185,188,889.34/615,241.80
  6. Step 6: Final answer
    x = 863,376.30

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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.