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Finding the Fourth Proportional to 669,793.58, 924,311.43 and 363,867.51

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Solution

The fourth proportional to 669,793.58, 924,311.43 and 363,867.51 is: 502,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,793.58 : 924,311.43 = 363,867.51 : x
  2. Step 2: Convert to fraction form
    669,793.58/924,311.43 = 363,867.51/x
  3. Step 3: Cross multiply
    669,793.58x = 924,311.43 × 363,867.51
  4. Step 4: Simplify right side
    669,793.58x = 336,326,898,498.64
  5. Step 5: Solve for x
    x = 336,326,898,498.64/669,793.58
  6. Step 6: Final answer
    x = 502,135.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.