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Finding the Fourth Proportional to 425,633.22, 587,378.37 and 234,653.45

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Solution

The fourth proportional to 425,633.22, 587,378.37 and 234,653.45 is: 323,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,633.22 : 587,378.37 = 234,653.45 : x
  2. Step 2: Convert to fraction form
    425,633.22/587,378.37 = 234,653.45/x
  3. Step 3: Cross multiply
    425,633.22x = 587,378.37 × 234,653.45
  4. Step 4: Simplify right side
    425,633.22x = 137,830,358,038.99
  5. Step 5: Solve for x
    x = 137,830,358,038.99/425,633.22
  6. Step 6: Final answer
    x = 323,824.25

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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.