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Finding the Fourth Proportional to 630,569.60, 945,854.40 and 298,793.60

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Solution

The fourth proportional to 630,569.60, 945,854.40 and 298,793.60 is: 448,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,569.60 : 945,854.40 = 298,793.60 : x
  2. Step 2: Convert to fraction form
    630,569.60/945,854.40 = 298,793.60/x
  3. Step 3: Cross multiply
    630,569.60x = 945,854.40 × 298,793.60
  4. Step 4: Simplify right side
    630,569.60x = 282,615,241,251.84
  5. Step 5: Solve for x
    x = 282,615,241,251.84/630,569.60
  6. Step 6: Final answer
    x = 448,190.40

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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.