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Finding the Fourth Proportional to 875,203.20, 1,312,804.80 and 822,059.10

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Solution

The fourth proportional to 875,203.20, 1,312,804.80 and 822,059.10 is: 1,233,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,203.20 : 1,312,804.80 = 822,059.10 : x
  2. Step 2: Convert to fraction form
    875,203.20/1,312,804.80 = 822,059.10/x
  3. Step 3: Cross multiply
    875,203.20x = 1,312,804.80 × 822,059.10
  4. Step 4: Simplify right side
    875,203.20x = 1,079,203,132,363.68
  5. Step 5: Solve for x
    x = 1,079,203,132,363.68/875,203.20
  6. Step 6: Final answer
    x = 1,233,088.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.