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Finding the Fourth Proportional to 4,805,802.07, 7,209,141.11 and 1,566,508.30

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Solution

The fourth proportional to 4,805,802.07, 7,209,141.11 and 1,566,508.30 is: 2,349,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805,802.07 : 7,209,141.11 = 1,566,508.30 : x
  2. Step 2: Convert to fraction form
    4,805,802.07/7,209,141.11 = 1,566,508.30/x
  3. Step 3: Cross multiply
    4,805,802.07x = 7,209,141.11 × 1,566,508.30
  4. Step 4: Simplify right side
    4,805,802.07x = 11,293,179,384,686.21
  5. Step 5: Solve for x
    x = 11,293,179,384,686.21/4,805,802.07
  6. Step 6: Final answer
    x = 2,349,905.22

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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.