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Finding the Fourth Proportional to 304,009.40, 425,924.20 and 304,009.40

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Solution

The fourth proportional to 304,009.40, 425,924.20 and 304,009.40 is: 425,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,009.40 : 425,924.20 = 304,009.40 : x
  2. Step 2: Convert to fraction form
    304,009.40/425,924.20 = 304,009.40/x
  3. Step 3: Cross multiply
    304,009.40x = 425,924.20 × 304,009.40
  4. Step 4: Simplify right side
    304,009.40x = 129,484,960,487.48
  5. Step 5: Solve for x
    x = 129,484,960,487.48/304,009.40
  6. Step 6: Final answer
    x = 425,924.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.