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Finding the Fourth Proportional to 895,272.80, 1,344,464.40 and 475,368.80

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Solution

The fourth proportional to 895,272.80, 1,344,464.40 and 475,368.80 is: 713,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,272.80 : 1,344,464.40 = 475,368.80 : x
  2. Step 2: Convert to fraction form
    895,272.80/1,344,464.40 = 475,368.80/x
  3. Step 3: Cross multiply
    895,272.80x = 1,344,464.40 × 475,368.80
  4. Step 4: Simplify right side
    895,272.80x = 639,116,428,470.72
  5. Step 5: Solve for x
    x = 639,116,428,470.72/895,272.80
  6. Step 6: Final answer
    x = 713,878.97

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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.