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Finding the Fourth Proportional to 532,365.60, 798,548.40 and 343,408.80

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Solution

The fourth proportional to 532,365.60, 798,548.40 and 343,408.80 is: 515,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,365.60 : 798,548.40 = 343,408.80 : x
  2. Step 2: Convert to fraction form
    532,365.60/798,548.40 = 343,408.80/x
  3. Step 3: Cross multiply
    532,365.60x = 798,548.40 × 343,408.80
  4. Step 4: Simplify right side
    532,365.60x = 274,228,547,785.92
  5. Step 5: Solve for x
    x = 274,228,547,785.92/532,365.60
  6. Step 6: Final answer
    x = 515,113.20

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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.