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Finding the Fourth Proportional to 377,038,328.80, 564,282,034.80 and 331,121,826.40

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Solution

The fourth proportional to 377,038,328.80, 564,282,034.80 and 331,121,826.40 is: 495,562,609.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,038,328.80 : 564,282,034.80 = 331,121,826.40 : x
  2. Step 2: Convert to fraction form
    377,038,328.80/564,282,034.80 = 331,121,826.40/x
  3. Step 3: Cross multiply
    377,038,328.80x = 564,282,034.80 × 331,121,826.40
  4. Step 4: Simplify right side
    377,038,328.80x = 186,846,097,967,684,320
  5. Step 5: Solve for x
    x = 186,846,097,967,684,320/377,038,328.80
  6. Step 6: Final answer
    x = 495,562,609.14

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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.