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Finding the Fourth Proportional to 374,672.70, 562,009.05 and 260,511.30

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Solution

The fourth proportional to 374,672.70, 562,009.05 and 260,511.30 is: 390,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,672.70 : 562,009.05 = 260,511.30 : x
  2. Step 2: Convert to fraction form
    374,672.70/562,009.05 = 260,511.30/x
  3. Step 3: Cross multiply
    374,672.70x = 562,009.05 × 260,511.30
  4. Step 4: Simplify right side
    374,672.70x = 146,409,708,227.27
  5. Step 5: Solve for x
    x = 146,409,708,227.27/374,672.70
  6. Step 6: Final answer
    x = 390,766.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.