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Finding the Fourth Proportional to 425,243.55, 586,808.25 and 234,256.95

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Solution

The fourth proportional to 425,243.55, 586,808.25 and 234,256.95 is: 323,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,243.55 : 586,808.25 = 234,256.95 : x
  2. Step 2: Convert to fraction form
    425,243.55/586,808.25 = 234,256.95/x
  3. Step 3: Cross multiply
    425,243.55x = 586,808.25 × 234,256.95
  4. Step 4: Simplify right side
    425,243.55x = 137,463,910,879.84
  5. Step 5: Solve for x
    x = 137,463,910,879.84/425,243.55
  6. Step 6: Final answer
    x = 323,259.25

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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.