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Finding the Fourth Proportional to 705,362.53, 973,803.79 and 464,345.73

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Solution

The fourth proportional to 705,362.53, 973,803.79 and 464,345.73 is: 641,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,362.53 : 973,803.79 = 464,345.73 : x
  2. Step 2: Convert to fraction form
    705,362.53/973,803.79 = 464,345.73/x
  3. Step 3: Cross multiply
    705,362.53x = 973,803.79 × 464,345.73
  4. Step 4: Simplify right side
    705,362.53x = 452,181,629,712.80
  5. Step 5: Solve for x
    x = 452,181,629,712.80/705,362.53
  6. Step 6: Final answer
    x = 641,062.73

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Double scale
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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.