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Finding the Fourth Proportional to 608,833.40, 913,250.10 and 328,897.40

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Solution

The fourth proportional to 608,833.40, 913,250.10 and 328,897.40 is: 493,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,833.40 : 913,250.10 = 328,897.40 : x
  2. Step 2: Convert to fraction form
    608,833.40/913,250.10 = 328,897.40/x
  3. Step 3: Cross multiply
    608,833.40x = 913,250.10 × 328,897.40
  4. Step 4: Simplify right side
    608,833.40x = 300,365,583,439.74
  5. Step 5: Solve for x
    x = 300,365,583,439.74/608,833.40
  6. Step 6: Final answer
    x = 493,346.10

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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.