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Finding the Fourth Proportional to 424,811.64, 586,235.44 and 233,820.92

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Solution

The fourth proportional to 424,811.64, 586,235.44 and 233,820.92 is: 322,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,811.64 : 586,235.44 = 233,820.92 : x
  2. Step 2: Convert to fraction form
    424,811.64/586,235.44 = 233,820.92/x
  3. Step 3: Cross multiply
    424,811.64x = 586,235.44 × 233,820.92
  4. Step 4: Simplify right side
    424,811.64x = 137,074,109,917.41
  5. Step 5: Solve for x
    x = 137,074,109,917.41/424,811.64
  6. Step 6: Final answer
    x = 322,670.32

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Double scale
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Similar ratio
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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.