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Finding the Fourth Proportional to 304,612.80, 456,868.80 and 102,206.40

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Solution

The fourth proportional to 304,612.80, 456,868.80 and 102,206.40 is: 153,292.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,612.80 : 456,868.80 = 102,206.40 : x
  2. Step 2: Convert to fraction form
    304,612.80/456,868.80 = 102,206.40/x
  3. Step 3: Cross multiply
    304,612.80x = 456,868.80 × 102,206.40
  4. Step 4: Simplify right side
    304,612.80x = 46,694,915,320.32
  5. Step 5: Solve for x
    x = 46,694,915,320.32/304,612.80
  6. Step 6: Final answer
    x = 153,292.69

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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.