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Finding the Fourth Proportional to 381,697.93, 526,807.93 and 220,646.34

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Solution

The fourth proportional to 381,697.93, 526,807.93 and 220,646.34 is: 304,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,697.93 : 526,807.93 = 220,646.34 : x
  2. Step 2: Convert to fraction form
    381,697.93/526,807.93 = 220,646.34/x
  3. Step 3: Cross multiply
    381,697.93x = 526,807.93 × 220,646.34
  4. Step 4: Simplify right side
    381,697.93x = 116,238,241,085.86
  5. Step 5: Solve for x
    x = 116,238,241,085.86/381,697.93
  6. Step 6: Final answer
    x = 304,529.40

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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.