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Finding the Fourth Proportional to 615,793.80, 924,641.10 and 335,857.80

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Solution

The fourth proportional to 615,793.80, 924,641.10 and 335,857.80 is: 504,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,793.80 : 924,641.10 = 335,857.80 : x
  2. Step 2: Convert to fraction form
    615,793.80/924,641.10 = 335,857.80/x
  3. Step 3: Cross multiply
    615,793.80x = 924,641.10 × 335,857.80
  4. Step 4: Simplify right side
    615,793.80x = 310,547,925,635.58
  5. Step 5: Solve for x
    x = 310,547,925,635.58/615,793.80
  6. Step 6: Final answer
    x = 504,305.05

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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.