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Finding the Fourth Proportional to 705,740.52, 973,925.91 and 383,453.22

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Solution

The fourth proportional to 705,740.52, 973,925.91 and 383,453.22 is: 529,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,740.52 : 973,925.91 = 383,453.22 : x
  2. Step 2: Convert to fraction form
    705,740.52/973,925.91 = 383,453.22/x
  3. Step 3: Cross multiply
    705,740.52x = 973,925.91 × 383,453.22
  4. Step 4: Simplify right side
    705,740.52x = 373,455,026,230.93
  5. Step 5: Solve for x
    x = 373,455,026,230.93/705,740.52
  6. Step 6: Final answer
    x = 529,167.61

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1.5x scale

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.