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Finding the Fourth Proportional to 367,622.07, 551,041.06 and 209,510.07

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Solution

The fourth proportional to 367,622.07, 551,041.06 and 209,510.07 is: 314,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,622.07 : 551,041.06 = 209,510.07 : x
  2. Step 2: Convert to fraction form
    367,622.07/551,041.06 = 209,510.07/x
  3. Step 3: Cross multiply
    367,622.07x = 551,041.06 × 209,510.07
  4. Step 4: Simplify right side
    367,622.07x = 115,448,651,053.47
  5. Step 5: Solve for x
    x = 115,448,651,053.47/367,622.07
  6. Step 6: Final answer
    x = 314,041.68

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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.