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Finding the Fourth Proportional to 875,970, 1,208,838.60 and 473,562

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Solution

The fourth proportional to 875,970, 1,208,838.60 and 473,562 is: 653,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,970 : 1,208,838.60 = 473,562 : x
  2. Step 2: Convert to fraction form
    875,970/1,208,838.60 = 473,562/x
  3. Step 3: Cross multiply
    875,970x = 1,208,838.60 × 473,562
  4. Step 4: Simplify right side
    875,970x = 572,460,025,093.20
  5. Step 5: Solve for x
    x = 572,460,025,093.20/875,970
  6. Step 6: Final answer
    x = 653,515.56

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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.