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Finding the Fourth Proportional to 377,095.55, 520,401.06 and 207,329.67

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Solution

The fourth proportional to 377,095.55, 520,401.06 and 207,329.67 is: 286,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,095.55 : 520,401.06 = 207,329.67 : x
  2. Step 2: Convert to fraction form
    377,095.55/520,401.06 = 207,329.67/x
  3. Step 3: Cross multiply
    377,095.55x = 520,401.06 × 207,329.67
  4. Step 4: Simplify right side
    377,095.55x = 107,894,580,037.45
  5. Step 5: Solve for x
    x = 107,894,580,037.45/377,095.55
  6. Step 6: Final answer
    x = 286,120.01

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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.