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Finding the Fourth Proportional to 326,077.40, 457,337.80 and 326,077.40

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Solution

The fourth proportional to 326,077.40, 457,337.80 and 326,077.40 is: 457,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,077.40 : 457,337.80 = 326,077.40 : x
  2. Step 2: Convert to fraction form
    326,077.40/457,337.80 = 326,077.40/x
  3. Step 3: Cross multiply
    326,077.40x = 457,337.80 × 326,077.40
  4. Step 4: Simplify right side
    326,077.40x = 149,127,520,745.72
  5. Step 5: Solve for x
    x = 149,127,520,745.72/326,077.40
  6. Step 6: Final answer
    x = 457,337.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.