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Finding the Fourth Proportional to 1,168,628, 1,612,706.76 and 632,084

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Solution

The fourth proportional to 1,168,628, 1,612,706.76 and 632,084 is: 872,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,628 : 1,612,706.76 = 632,084 : x
  2. Step 2: Convert to fraction form
    1,168,628/1,612,706.76 = 632,084/x
  3. Step 3: Cross multiply
    1,168,628x = 1,612,706.76 × 632,084
  4. Step 4: Simplify right side
    1,168,628x = 1,019,366,139,687.84
  5. Step 5: Solve for x
    x = 1,019,366,139,687.84/1,168,628
  6. Step 6: Final answer
    x = 872,275.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.