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Finding the Fourth Proportional to 575,277.20, 862,267.80 and 275,901.20

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Solution

The fourth proportional to 575,277.20, 862,267.80 and 275,901.20 is: 413,541.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,277.20 : 862,267.80 = 275,901.20 : x
  2. Step 2: Convert to fraction form
    575,277.20/862,267.80 = 275,901.20/x
  3. Step 3: Cross multiply
    575,277.20x = 862,267.80 × 275,901.20
  4. Step 4: Simplify right side
    575,277.20x = 237,900,720,741.36
  5. Step 5: Solve for x
    x = 237,900,720,741.36/575,277.20
  6. Step 6: Final answer
    x = 413,541.02

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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.