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Finding the Fourth Proportional to 303,715.60, 455,573.40 and 232,856.80

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Solution

The fourth proportional to 303,715.60, 455,573.40 and 232,856.80 is: 349,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,715.60 : 455,573.40 = 232,856.80 : x
  2. Step 2: Convert to fraction form
    303,715.60/455,573.40 = 232,856.80/x
  3. Step 3: Cross multiply
    303,715.60x = 455,573.40 × 232,856.80
  4. Step 4: Simplify right side
    303,715.60x = 106,083,364,089.12
  5. Step 5: Solve for x
    x = 106,083,364,089.12/303,715.60
  6. Step 6: Final answer
    x = 349,285.20

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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.