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Finding the Fourth Proportional to 973,775.80, 1,460,663.70 and 263,891.80

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Solution

The fourth proportional to 973,775.80, 1,460,663.70 and 263,891.80 is: 395,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,775.80 : 1,460,663.70 = 263,891.80 : x
  2. Step 2: Convert to fraction form
    973,775.80/1,460,663.70 = 263,891.80/x
  3. Step 3: Cross multiply
    973,775.80x = 1,460,663.70 × 263,891.80
  4. Step 4: Simplify right side
    973,775.80x = 385,457,172,987.66
  5. Step 5: Solve for x
    x = 385,457,172,987.66/973,775.80
  6. Step 6: Final answer
    x = 395,837.70

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Double scale
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Similar ratio
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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.