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Finding the Fourth Proportional to 595,315.74, 821,544.46 and 323,388.74

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Solution

The fourth proportional to 595,315.74, 821,544.46 and 323,388.74 is: 446,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,315.74 : 821,544.46 = 323,388.74 : x
  2. Step 2: Convert to fraction form
    595,315.74/821,544.46 = 323,388.74/x
  3. Step 3: Cross multiply
    595,315.74x = 821,544.46 × 323,388.74
  4. Step 4: Simplify right side
    595,315.74x = 265,678,227,773.38
  5. Step 5: Solve for x
    x = 265,678,227,773.38/595,315.74
  6. Step 6: Final answer
    x = 446,281.21

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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.