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Finding the Fourth Proportional to 616,305.30, 924,385.05 and 166,998.30

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Solution

The fourth proportional to 616,305.30, 924,385.05 and 166,998.30 is: 250,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,305.30 : 924,385.05 = 166,998.30 : x
  2. Step 2: Convert to fraction form
    616,305.30/924,385.05 = 166,998.30/x
  3. Step 3: Cross multiply
    616,305.30x = 924,385.05 × 166,998.30
  4. Step 4: Simplify right side
    616,305.30x = 154,370,731,895.42
  5. Step 5: Solve for x
    x = 154,370,731,895.42/616,305.30
  6. Step 6: Final answer
    x = 250,477.70

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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.