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Finding the Fourth Proportional to 604,932.10, 907,398.15 and 310,020.10

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Solution

The fourth proportional to 604,932.10, 907,398.15 and 310,020.10 is: 465,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,932.10 : 907,398.15 = 310,020.10 : x
  2. Step 2: Convert to fraction form
    604,932.10/907,398.15 = 310,020.10/x
  3. Step 3: Cross multiply
    604,932.10x = 907,398.15 × 310,020.10
  4. Step 4: Simplify right side
    604,932.10x = 281,311,665,202.82
  5. Step 5: Solve for x
    x = 281,311,665,202.82/604,932.10
  6. Step 6: Final answer
    x = 465,030.15

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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.