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Finding the Fourth Proportional to 575,059.60, 862,848.60 and 275,424.40

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Solution

The fourth proportional to 575,059.60, 862,848.60 and 275,424.40 is: 413,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,059.60 : 862,848.60 = 275,424.40 : x
  2. Step 2: Convert to fraction form
    575,059.60/862,848.60 = 275,424.40/x
  3. Step 3: Cross multiply
    575,059.60x = 862,848.60 × 275,424.40
  4. Step 4: Simplify right side
    575,059.60x = 237,649,557,945.84
  5. Step 5: Solve for x
    x = 237,649,557,945.84/575,059.60
  6. Step 6: Final answer
    x = 413,260.74

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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.