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Finding the Fourth Proportional to 575,028.40, 862,542.60 and 260,100.40

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Solution

The fourth proportional to 575,028.40, 862,542.60 and 260,100.40 is: 390,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,028.40 : 862,542.60 = 260,100.40 : x
  2. Step 2: Convert to fraction form
    575,028.40/862,542.60 = 260,100.40/x
  3. Step 3: Cross multiply
    575,028.40x = 862,542.60 × 260,100.40
  4. Step 4: Simplify right side
    575,028.40x = 224,347,675,277.04
  5. Step 5: Solve for x
    x = 224,347,675,277.04/575,028.40
  6. Step 6: Final answer
    x = 390,150.60

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Similar ratio
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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.