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Finding the Fourth Proportional to 875,508.75, 1,208,202.08 and 473,100.75

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Solution

The fourth proportional to 875,508.75, 1,208,202.08 and 473,100.75 is: 652,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,508.75 : 1,208,202.08 = 473,100.75 : x
  2. Step 2: Convert to fraction form
    875,508.75/1,208,202.08 = 473,100.75/x
  3. Step 3: Cross multiply
    875,508.75x = 1,208,202.08 × 473,100.75
  4. Step 4: Simplify right side
    875,508.75x = 571,601,307,834.06
  5. Step 5: Solve for x
    x = 571,601,307,834.06/875,508.75
  6. Step 6: Final answer
    x = 652,879.04

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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.