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Finding the Fourth Proportional to 559,125.30, 771,601.74 and 304,476.30

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Solution

The fourth proportional to 559,125.30, 771,601.74 and 304,476.30 is: 420,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,125.30 : 771,601.74 = 304,476.30 : x
  2. Step 2: Convert to fraction form
    559,125.30/771,601.74 = 304,476.30/x
  3. Step 3: Cross multiply
    559,125.30x = 771,601.74 × 304,476.30
  4. Step 4: Simplify right side
    559,125.30x = 234,934,442,868.76
  5. Step 5: Solve for x
    x = 234,934,442,868.76/559,125.30
  6. Step 6: Final answer
    x = 420,182.10

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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.