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Finding the Fourth Proportional to 338,466.30, 507,699.45 and 322,914.30

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Solution

The fourth proportional to 338,466.30, 507,699.45 and 322,914.30 is: 484,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,466.30 : 507,699.45 = 322,914.30 : x
  2. Step 2: Convert to fraction form
    338,466.30/507,699.45 = 322,914.30/x
  3. Step 3: Cross multiply
    338,466.30x = 507,699.45 × 322,914.30
  4. Step 4: Simplify right side
    338,466.30x = 163,943,412,507.14
  5. Step 5: Solve for x
    x = 163,943,412,507.14/338,466.30
  6. Step 6: Final answer
    x = 484,371.45

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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.