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Finding the Fourth Proportional to 404,997.60, 607,496.40 and 383,346.30

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Solution

The fourth proportional to 404,997.60, 607,496.40 and 383,346.30 is: 575,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,997.60 : 607,496.40 = 383,346.30 : x
  2. Step 2: Convert to fraction form
    404,997.60/607,496.40 = 383,346.30/x
  3. Step 3: Cross multiply
    404,997.60x = 607,496.40 × 383,346.30
  4. Step 4: Simplify right side
    404,997.60x = 232,881,497,203.32
  5. Step 5: Solve for x
    x = 232,881,497,203.32/404,997.60
  6. Step 6: Final answer
    x = 575,019.45

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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.