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Finding the Fourth Proportional to 372,459.92, 514,596.04 and 259,785.68

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Solution

The fourth proportional to 372,459.92, 514,596.04 and 259,785.68 is: 358,923.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,459.92 : 514,596.04 = 259,785.68 : x
  2. Step 2: Convert to fraction form
    372,459.92/514,596.04 = 259,785.68/x
  3. Step 3: Cross multiply
    372,459.92x = 514,596.04 × 259,785.68
  4. Step 4: Simplify right side
    372,459.92x = 133,684,682,176.71
  5. Step 5: Solve for x
    x = 133,684,682,176.71/372,459.92
  6. Step 6: Final answer
    x = 358,923.67

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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.