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Finding the Fourth Proportional to 304,869.90, 457,304.85 and 94,572.30

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Solution

The fourth proportional to 304,869.90, 457,304.85 and 94,572.30 is: 141,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,869.90 : 457,304.85 = 94,572.30 : x
  2. Step 2: Convert to fraction form
    304,869.90/457,304.85 = 94,572.30/x
  3. Step 3: Cross multiply
    304,869.90x = 457,304.85 × 94,572.30
  4. Step 4: Simplify right side
    304,869.90x = 43,248,371,465.66
  5. Step 5: Solve for x
    x = 43,248,371,465.66/304,869.90
  6. Step 6: Final answer
    x = 141,858.45

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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.