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Finding the Fourth Proportional to 425,416.79, 587,103.63 and 234,430.22

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Solution

The fourth proportional to 425,416.79, 587,103.63 and 234,430.22 is: 323,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,416.79 : 587,103.63 = 234,430.22 : x
  2. Step 2: Convert to fraction form
    425,416.79/587,103.63 = 234,430.22/x
  3. Step 3: Cross multiply
    425,416.79x = 587,103.63 × 234,430.22
  4. Step 4: Simplify right side
    425,416.79x = 137,634,833,143.70
  5. Step 5: Solve for x
    x = 137,634,833,143.70/425,416.79
  6. Step 6: Final answer
    x = 323,529.39

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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.