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Finding the Fourth Proportional to 550,854.62, 759,988.02 and 346,922.34

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Solution

The fourth proportional to 550,854.62, 759,988.02 and 346,922.34 is: 478,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,854.62 : 759,988.02 = 346,922.34 : x
  2. Step 2: Convert to fraction form
    550,854.62/759,988.02 = 346,922.34/x
  3. Step 3: Cross multiply
    550,854.62x = 759,988.02 × 346,922.34
  4. Step 4: Simplify right side
    550,854.62x = 263,656,822,270.37
  5. Step 5: Solve for x
    x = 263,656,822,270.37/550,854.62
  6. Step 6: Final answer
    x = 478,632.32

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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.