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Finding the Fourth Proportional to 706,249.68, 974,643.36 and 383,981.52

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Solution

The fourth proportional to 706,249.68, 974,643.36 and 383,981.52 is: 529,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,249.68 : 974,643.36 = 383,981.52 : x
  2. Step 2: Convert to fraction form
    706,249.68/974,643.36 = 383,981.52/x
  3. Step 3: Cross multiply
    706,249.68x = 974,643.36 × 383,981.52
  4. Step 4: Simplify right side
    706,249.68x = 374,245,038,830.71
  5. Step 5: Solve for x
    x = 374,245,038,830.71/706,249.68
  6. Step 6: Final answer
    x = 529,904.72

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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.