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Finding the Fourth Proportional to 304,476.45, 427,200.15 and 304,476.45

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Solution

The fourth proportional to 304,476.45, 427,200.15 and 304,476.45 is: 427,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,476.45 : 427,200.15 = 304,476.45 : x
  2. Step 2: Convert to fraction form
    304,476.45/427,200.15 = 304,476.45/x
  3. Step 3: Cross multiply
    304,476.45x = 427,200.15 × 304,476.45
  4. Step 4: Simplify right side
    304,476.45x = 130,072,385,111.47
  5. Step 5: Solve for x
    x = 130,072,385,111.47/304,476.45
  6. Step 6: Final answer
    x = 427,200.15

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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.