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Finding the Fourth Proportional to 246,655.60, 340,384.72 and 133,478.35

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Solution

The fourth proportional to 246,655.60, 340,384.72 and 133,478.35 is: 184,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,655.60 : 340,384.72 = 133,478.35 : x
  2. Step 2: Convert to fraction form
    246,655.60/340,384.72 = 133,478.35/x
  3. Step 3: Cross multiply
    246,655.60x = 340,384.72 × 133,478.35
  4. Step 4: Simplify right side
    246,655.60x = 45,433,990,790.81
  5. Step 5: Solve for x
    x = 45,433,990,790.81/246,655.60
  6. Step 6: Final answer
    x = 184,200.12

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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.