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Finding the Fourth Proportional to 880,193.58, 1,214,696.03 and 498,212.16

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Solution

The fourth proportional to 880,193.58, 1,214,696.03 and 498,212.16 is: 687,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,193.58 : 1,214,696.03 = 498,212.16 : x
  2. Step 2: Convert to fraction form
    880,193.58/1,214,696.03 = 498,212.16/x
  3. Step 3: Cross multiply
    880,193.58x = 1,214,696.03 × 498,212.16
  4. Step 4: Simplify right side
    880,193.58x = 605,176,330,358.66
  5. Step 5: Solve for x
    x = 605,176,330,358.66/880,193.58
  6. Step 6: Final answer
    x = 687,549.13

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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.