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Finding the Fourth Proportional to 702,924.70, 1,054,387.05 and 323,844.70

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Solution

The fourth proportional to 702,924.70, 1,054,387.05 and 323,844.70 is: 485,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,924.70 : 1,054,387.05 = 323,844.70 : x
  2. Step 2: Convert to fraction form
    702,924.70/1,054,387.05 = 323,844.70/x
  3. Step 3: Cross multiply
    702,924.70x = 1,054,387.05 × 323,844.70
  4. Step 4: Simplify right side
    702,924.70x = 341,457,657,891.14
  5. Step 5: Solve for x
    x = 341,457,657,891.14/702,924.70
  6. Step 6: Final answer
    x = 485,767.05

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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.