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Finding the Fourth Proportional to 424,840.56, 586,335.96 and 255,085.62

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Solution

The fourth proportional to 424,840.56, 586,335.96 and 255,085.62 is: 352,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,840.56 : 586,335.96 = 255,085.62 : x
  2. Step 2: Convert to fraction form
    424,840.56/586,335.96 = 255,085.62/x
  3. Step 3: Cross multiply
    424,840.56x = 586,335.96 × 255,085.62
  4. Step 4: Simplify right side
    424,840.56x = 149,565,871,884.90
  5. Step 5: Solve for x
    x = 149,565,871,884.90/424,840.56
  6. Step 6: Final answer
    x = 352,051.77

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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.