Home / 304,314.20-456,471.30-281,569.40

Finding the Fourth Proportional to 304,314.20, 456,471.30 and 281,569.40

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Solution

The fourth proportional to 304,314.20, 456,471.30 and 281,569.40 is: 422,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,314.20 : 456,471.30 = 281,569.40 : x
  2. Step 2: Convert to fraction form
    304,314.20/456,471.30 = 281,569.40/x
  3. Step 3: Cross multiply
    304,314.20x = 456,471.30 × 281,569.40
  4. Step 4: Simplify right side
    304,314.20x = 128,528,350,058.22
  5. Step 5: Solve for x
    x = 128,528,350,058.22/304,314.20
  6. Step 6: Final answer
    x = 422,354.10

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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.