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Finding the Fourth Proportional to 752,490, 1,128,730.88 and 183,874.25

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Solution

The fourth proportional to 752,490, 1,128,730.88 and 183,874.25 is: 275,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,490 : 1,128,730.88 = 183,874.25 : x
  2. Step 2: Convert to fraction form
    752,490/1,128,730.88 = 183,874.25/x
  3. Step 3: Cross multiply
    752,490x = 1,128,730.88 × 183,874.25
  4. Step 4: Simplify right side
    752,490x = 207,544,547,293.35
  5. Step 5: Solve for x
    x = 207,544,547,293.35/752,490
  6. Step 6: Final answer
    x = 275,810.37

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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.