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Finding the Fourth Proportional to 575,948.40, 863,663.40 and 220,844.40

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Solution

The fourth proportional to 575,948.40, 863,663.40 and 220,844.40 is: 331,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,948.40 : 863,663.40 = 220,844.40 : x
  2. Step 2: Convert to fraction form
    575,948.40/863,663.40 = 220,844.40/x
  3. Step 3: Cross multiply
    575,948.40x = 863,663.40 × 220,844.40
  4. Step 4: Simplify right side
    575,948.40x = 190,735,225,374.96
  5. Step 5: Solve for x
    x = 190,735,225,374.96/575,948.40
  6. Step 6: Final answer
    x = 331,167.21

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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.