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Finding the Fourth Proportional to 875,879.96, 1,208,716.09 and 473,471.96

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Solution

The fourth proportional to 875,879.96, 1,208,716.09 and 473,471.96 is: 653,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,879.96 : 1,208,716.09 = 473,471.96 : x
  2. Step 2: Convert to fraction form
    875,879.96/1,208,716.09 = 473,471.96/x
  3. Step 3: Cross multiply
    875,879.96x = 1,208,716.09 × 473,471.96
  4. Step 4: Simplify right side
    875,879.96x = 572,293,168,988.58
  5. Step 5: Solve for x
    x = 572,293,168,988.58/875,879.96
  6. Step 6: Final answer
    x = 653,392.24

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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.