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Finding the Fourth Proportional to 600,009.60, 900,014.40 and 423,062.40

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Solution

The fourth proportional to 600,009.60, 900,014.40 and 423,062.40 is: 634,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,009.60 : 900,014.40 = 423,062.40 : x
  2. Step 2: Convert to fraction form
    600,009.60/900,014.40 = 423,062.40/x
  3. Step 3: Cross multiply
    600,009.60x = 900,014.40 × 423,062.40
  4. Step 4: Simplify right side
    600,009.60x = 380,762,252,098.56
  5. Step 5: Solve for x
    x = 380,762,252,098.56/600,009.60
  6. Step 6: Final answer
    x = 634,593.60

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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.