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Finding the Fourth Proportional to 343,221.58, 514,824.93 and 93,903.58

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Solution

The fourth proportional to 343,221.58, 514,824.93 and 93,903.58 is: 140,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,221.58 : 514,824.93 = 93,903.58 : x
  2. Step 2: Convert to fraction form
    343,221.58/514,824.93 = 93,903.58/x
  3. Step 3: Cross multiply
    343,221.58x = 514,824.93 × 93,903.58
  4. Step 4: Simplify right side
    343,221.58x = 48,343,904,000.25
  5. Step 5: Solve for x
    x = 48,343,904,000.25/343,221.58
  6. Step 6: Final answer
    x = 140,853.33

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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.