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Finding the Fourth Proportional to 705,357.12, 973,481.76 and 437,125.44

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Solution

The fourth proportional to 705,357.12, 973,481.76 and 437,125.44 is: 603,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,357.12 : 973,481.76 = 437,125.44 : x
  2. Step 2: Convert to fraction form
    705,357.12/973,481.76 = 437,125.44/x
  3. Step 3: Cross multiply
    705,357.12x = 973,481.76 × 437,125.44
  4. Step 4: Simplify right side
    705,357.12x = 425,533,642,671.97
  5. Step 5: Solve for x
    x = 425,533,642,671.97/705,357.12
  6. Step 6: Final answer
    x = 603,288.22

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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.