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Finding the Fourth Proportional to 1,712,995.92, 2,569,495.92 and 514,918.32

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Solution

The fourth proportional to 1,712,995.92, 2,569,495.92 and 514,918.32 is: 772,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,995.92 : 2,569,495.92 = 514,918.32 : x
  2. Step 2: Convert to fraction form
    1,712,995.92/2,569,495.92 = 514,918.32/x
  3. Step 3: Cross multiply
    1,712,995.92x = 2,569,495.92 × 514,918.32
  4. Step 4: Simplify right side
    1,712,995.92x = 1,323,080,522,373.25
  5. Step 5: Solve for x
    x = 1,323,080,522,373.25/1,712,995.92
  6. Step 6: Final answer
    x = 772,378.09

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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.