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Finding the Fourth Proportional to 875,886.60, 1,208,725.28 and 473,478.60

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Solution

The fourth proportional to 875,886.60, 1,208,725.28 and 473,478.60 is: 653,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,886.60 : 1,208,725.28 = 473,478.60 : x
  2. Step 2: Convert to fraction form
    875,886.60/1,208,725.28 = 473,478.60/x
  3. Step 3: Cross multiply
    875,886.60x = 1,208,725.28 × 473,478.60
  4. Step 4: Simplify right side
    875,886.60x = 572,305,553,359.01
  5. Step 5: Solve for x
    x = 572,305,553,359.01/875,886.60
  6. Step 6: Final answer
    x = 653,401.43

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