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Finding the Fourth Proportional to 310,281.40, 465,422.10 and 110,608.30

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Solution

The fourth proportional to 310,281.40, 465,422.10 and 110,608.30 is: 165,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,281.40 : 465,422.10 = 110,608.30 : x
  2. Step 2: Convert to fraction form
    310,281.40/465,422.10 = 110,608.30/x
  3. Step 3: Cross multiply
    310,281.40x = 465,422.10 × 110,608.30
  4. Step 4: Simplify right side
    310,281.40x = 51,479,547,263.43
  5. Step 5: Solve for x
    x = 51,479,547,263.43/310,281.40
  6. Step 6: Final answer
    x = 165,912.45

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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.