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Finding the Fourth Proportional to 377,554.70, 566,332.05 and 209,593.10

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Solution

The fourth proportional to 377,554.70, 566,332.05 and 209,593.10 is: 314,389.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,554.70 : 566,332.05 = 209,593.10 : x
  2. Step 2: Convert to fraction form
    377,554.70/566,332.05 = 209,593.10/x
  3. Step 3: Cross multiply
    377,554.70x = 566,332.05 × 209,593.10
  4. Step 4: Simplify right side
    377,554.70x = 118,699,289,988.86
  5. Step 5: Solve for x
    x = 118,699,289,988.86/377,554.70
  6. Step 6: Final answer
    x = 314,389.65

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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.