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Finding the Fourth Proportional to 433,871.10, 650,150.55 and 366,948.90

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Solution

The fourth proportional to 433,871.10, 650,150.55 and 366,948.90 is: 549,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,871.10 : 650,150.55 = 366,948.90 : x
  2. Step 2: Convert to fraction form
    433,871.10/650,150.55 = 366,948.90/x
  3. Step 3: Cross multiply
    433,871.10x = 650,150.55 × 366,948.90
  4. Step 4: Simplify right side
    433,871.10x = 238,572,029,156.90
  5. Step 5: Solve for x
    x = 238,572,029,156.90/433,871.10
  6. Step 6: Final answer
    x = 549,868.45

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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.