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Finding the Fourth Proportional to 875,806.44, 1,208,612.08 and 473,398.44

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Solution

The fourth proportional to 875,806.44, 1,208,612.08 and 473,398.44 is: 653,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,806.44 : 1,208,612.08 = 473,398.44 : x
  2. Step 2: Convert to fraction form
    875,806.44/1,208,612.08 = 473,398.44/x
  3. Step 3: Cross multiply
    875,806.44x = 1,208,612.08 × 473,398.44
  4. Step 4: Simplify right side
    875,806.44x = 572,155,073,237.16
  5. Step 5: Solve for x
    x = 572,155,073,237.16/875,806.44
  6. Step 6: Final answer
    x = 653,289.41

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Double scale
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1.5x scale

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.