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Finding the Fourth Proportional to 895,248.80, 1,344,428.40 and 475,344.80

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Solution

The fourth proportional to 895,248.80, 1,344,428.40 and 475,344.80 is: 713,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,248.80 : 1,344,428.40 = 475,344.80 : x
  2. Step 2: Convert to fraction form
    895,248.80/1,344,428.40 = 475,344.80/x
  3. Step 3: Cross multiply
    895,248.80x = 1,344,428.40 × 475,344.80
  4. Step 4: Simplify right side
    895,248.80x = 639,067,048,912.32
  5. Step 5: Solve for x
    x = 639,067,048,912.32/895,248.80
  6. Step 6: Final answer
    x = 713,842.96

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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.