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Finding the Fourth Proportional to 303,558.60, 455,337.90 and 294,810.60

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Solution

The fourth proportional to 303,558.60, 455,337.90 and 294,810.60 is: 442,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,558.60 : 455,337.90 = 294,810.60 : x
  2. Step 2: Convert to fraction form
    303,558.60/455,337.90 = 294,810.60/x
  3. Step 3: Cross multiply
    303,558.60x = 455,337.90 × 294,810.60
  4. Step 4: Simplify right side
    303,558.60x = 134,238,439,501.74
  5. Step 5: Solve for x
    x = 134,238,439,501.74/303,558.60
  6. Step 6: Final answer
    x = 442,215.90

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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.