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Finding the Fourth Proportional to 569,754.03, 786,345.86 and 354,963.30

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Solution

The fourth proportional to 569,754.03, 786,345.86 and 354,963.30 is: 489,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,754.03 : 786,345.86 = 354,963.30 : x
  2. Step 2: Convert to fraction form
    569,754.03/786,345.86 = 354,963.30/x
  3. Step 3: Cross multiply
    569,754.03x = 786,345.86 × 354,963.30
  4. Step 4: Simplify right side
    569,754.03x = 279,123,921,406.94
  5. Step 5: Solve for x
    x = 279,123,921,406.94/569,754.03
  6. Step 6: Final answer
    x = 489,902.50

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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.