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Finding the Fourth Proportional to 377,389.50, 566,346.50 and 243,938.76

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Solution

The fourth proportional to 377,389.50, 566,346.50 and 243,938.76 is: 366,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,389.50 : 566,346.50 = 243,938.76 : x
  2. Step 2: Convert to fraction form
    377,389.50/566,346.50 = 243,938.76/x
  3. Step 3: Cross multiply
    377,389.50x = 566,346.50 × 243,938.76
  4. Step 4: Simplify right side
    377,389.50x = 138,153,862,940.34
  5. Step 5: Solve for x
    x = 138,153,862,940.34/377,389.50
  6. Step 6: Final answer
    x = 366,077.65

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1.5x scale

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.