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Finding the Fourth Proportional to 425,447.94, 587,147.19 and 259,946.76

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Solution

The fourth proportional to 425,447.94, 587,147.19 and 259,946.76 is: 358,744.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,447.94 : 587,147.19 = 259,946.76 : x
  2. Step 2: Convert to fraction form
    425,447.94/587,147.19 = 259,946.76/x
  3. Step 3: Cross multiply
    425,447.94x = 587,147.19 × 259,946.76
  4. Step 4: Simplify right side
    425,447.94x = 152,627,009,683.60
  5. Step 5: Solve for x
    x = 152,627,009,683.60/425,447.94
  6. Step 6: Final answer
    x = 358,744.27

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Double scale
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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.