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Finding the Fourth Proportional to 425,110.50, 586,601.46 and 243,813.06

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Solution

The fourth proportional to 425,110.50, 586,601.46 and 243,813.06 is: 336,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,110.50 : 586,601.46 = 243,813.06 : x
  2. Step 2: Convert to fraction form
    425,110.50/586,601.46 = 243,813.06/x
  3. Step 3: Cross multiply
    425,110.50x = 586,601.46 × 243,813.06
  4. Step 4: Simplify right side
    425,110.50x = 143,021,096,963.07
  5. Step 5: Solve for x
    x = 143,021,096,963.07/425,110.50
  6. Step 6: Final answer
    x = 336,432.76

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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.