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Finding the Fourth Proportional to 315,519.63, 473,279.44 and 93,903.63

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Solution

The fourth proportional to 315,519.63, 473,279.44 and 93,903.63 is: 140,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,519.63 : 473,279.44 = 93,903.63 : x
  2. Step 2: Convert to fraction form
    315,519.63/473,279.44 = 93,903.63/x
  3. Step 3: Cross multiply
    315,519.63x = 473,279.44 × 93,903.63
  4. Step 4: Simplify right side
    315,519.63x = 44,442,657,420.37
  5. Step 5: Solve for x
    x = 44,442,657,420.37/315,519.63
  6. Step 6: Final answer
    x = 140,855.44

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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.