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Finding the Fourth Proportional to 700,877.01, 967,210.66 and 378,587.11

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Solution

The fourth proportional to 700,877.01, 967,210.66 and 378,587.11 is: 522,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,877.01 : 967,210.66 = 378,587.11 : x
  2. Step 2: Convert to fraction form
    700,877.01/967,210.66 = 378,587.11/x
  3. Step 3: Cross multiply
    700,877.01x = 967,210.66 × 378,587.11
  4. Step 4: Simplify right side
    700,877.01x = 366,173,489,109.17
  5. Step 5: Solve for x
    x = 366,173,489,109.17/700,877.01
  6. Step 6: Final answer
    x = 522,450.42

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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.