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Finding the Fourth Proportional to 559,059.67, 771,499.07 and 304,410.25

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Solution

The fourth proportional to 559,059.67, 771,499.07 and 304,410.25 is: 420,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,059.67 : 771,499.07 = 304,410.25 : x
  2. Step 2: Convert to fraction form
    559,059.67/771,499.07 = 304,410.25/x
  3. Step 3: Cross multiply
    559,059.67x = 771,499.07 × 304,410.25
  4. Step 4: Simplify right side
    559,059.67x = 234,852,221,322.67
  5. Step 5: Solve for x
    x = 234,852,221,322.67/559,059.67
  6. Step 6: Final answer
    x = 420,084.36

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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.