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Finding the Fourth Proportional to 575,595.65, 862,901.13 and 220,864.25

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Solution

The fourth proportional to 575,595.65, 862,901.13 and 220,864.25 is: 331,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,595.65 : 862,901.13 = 220,864.25 : x
  2. Step 2: Convert to fraction form
    575,595.65/862,901.13 = 220,864.25/x
  3. Step 3: Cross multiply
    575,595.65x = 862,901.13 × 220,864.25
  4. Step 4: Simplify right side
    575,595.65x = 190,584,010,901.60
  5. Step 5: Solve for x
    x = 190,584,010,901.60/575,595.65
  6. Step 6: Final answer
    x = 331,107.46

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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.