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Finding the Fourth Proportional to 493,747.60, 740,621.40 and 335,117.20

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Solution

The fourth proportional to 493,747.60, 740,621.40 and 335,117.20 is: 502,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,747.60 : 740,621.40 = 335,117.20 : x
  2. Step 2: Convert to fraction form
    493,747.60/740,621.40 = 335,117.20/x
  3. Step 3: Cross multiply
    493,747.60x = 740,621.40 × 335,117.20
  4. Step 4: Simplify right side
    493,747.60x = 248,194,969,828.08
  5. Step 5: Solve for x
    x = 248,194,969,828.08/493,747.60
  6. Step 6: Final answer
    x = 502,675.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.