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Finding the Fourth Proportional to 875,640.96, 1,208,382.72 and 473,232

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Solution

The fourth proportional to 875,640.96, 1,208,382.72 and 473,232 is: 653,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,640.96 : 1,208,382.72 = 473,232 : x
  2. Step 2: Convert to fraction form
    875,640.96/1,208,382.72 = 473,232/x
  3. Step 3: Cross multiply
    875,640.96x = 1,208,382.72 × 473,232
  4. Step 4: Simplify right side
    875,640.96x = 571,845,371,351.04
  5. Step 5: Solve for x
    x = 571,845,371,351.04/875,640.96
  6. Step 6: Final answer
    x = 653,059.18

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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.