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Finding the Fourth Proportional to 464,299.02, 640,865.50 and 273,423.12

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Solution

The fourth proportional to 464,299.02, 640,865.50 and 273,423.12 is: 377,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,299.02 : 640,865.50 = 273,423.12 : x
  2. Step 2: Convert to fraction form
    464,299.02/640,865.50 = 273,423.12/x
  3. Step 3: Cross multiply
    464,299.02x = 640,865.50 × 273,423.12
  4. Step 4: Simplify right side
    464,299.02x = 175,227,444,510.36
  5. Step 5: Solve for x
    x = 175,227,444,510.36/464,299.02
  6. Step 6: Final answer
    x = 377,402.14

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1.5x scale

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.