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Finding the Fourth Proportional to 407,049.38, 607,609.21 and 377,032.67

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Solution

The fourth proportional to 407,049.38, 607,609.21 and 377,032.67 is: 562,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,049.38 : 607,609.21 = 377,032.67 : x
  2. Step 2: Convert to fraction form
    407,049.38/607,609.21 = 377,032.67/x
  3. Step 3: Cross multiply
    407,049.38x = 607,609.21 × 377,032.67
  4. Step 4: Simplify right side
    407,049.38x = 229,088,522,762.89
  5. Step 5: Solve for x
    x = 229,088,522,762.89/407,049.38
  6. Step 6: Final answer
    x = 562,802.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.