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Finding the Fourth Proportional to 377,564.80, 566,347.20 and 348,696.40

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Solution

The fourth proportional to 377,564.80, 566,347.20 and 348,696.40 is: 523,044.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,564.80 : 566,347.20 = 348,696.40 : x
  2. Step 2: Convert to fraction form
    377,564.80/566,347.20 = 348,696.40/x
  3. Step 3: Cross multiply
    377,564.80x = 566,347.20 × 348,696.40
  4. Step 4: Simplify right side
    377,564.80x = 197,483,229,790.08
  5. Step 5: Solve for x
    x = 197,483,229,790.08/377,564.80
  6. Step 6: Final answer
    x = 523,044.60

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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.