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Finding the Fourth Proportional to 706,205.79, 974,552.51 and 383,923.94

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Solution

The fourth proportional to 706,205.79, 974,552.51 and 383,923.94 is: 529,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,205.79 : 974,552.51 = 383,923.94 : x
  2. Step 2: Convert to fraction form
    706,205.79/974,552.51 = 383,923.94/x
  3. Step 3: Cross multiply
    706,205.79x = 974,552.51 × 383,923.94
  4. Step 4: Simplify right side
    706,205.79x = 374,154,035,463.14
  5. Step 5: Solve for x
    x = 374,154,035,463.14/706,205.79
  6. Step 6: Final answer
    x = 529,808.79

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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.