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Finding the Fourth Proportional to 705,854.60, 974,093.77 and 383,585.46

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Solution

The fourth proportional to 705,854.60, 974,093.77 and 383,585.46 is: 529,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,854.60 : 974,093.77 = 383,585.46 : x
  2. Step 2: Convert to fraction form
    705,854.60/974,093.77 = 383,585.46/x
  3. Step 3: Cross multiply
    705,854.60x = 974,093.77 × 383,585.46
  4. Step 4: Simplify right side
    705,854.60x = 373,648,200,060.19
  5. Step 5: Solve for x
    x = 373,648,200,060.19/705,854.60
  6. Step 6: Final answer
    x = 529,355.77

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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.