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Finding the Fourth Proportional to 304,437.27, 420,113.10 and 168,476.95

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Solution

The fourth proportional to 304,437.27, 420,113.10 and 168,476.95 is: 232,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,437.27 : 420,113.10 = 168,476.95 : x
  2. Step 2: Convert to fraction form
    304,437.27/420,113.10 = 168,476.95/x
  3. Step 3: Cross multiply
    304,437.27x = 420,113.10 × 168,476.95
  4. Step 4: Simplify right side
    304,437.27x = 70,779,373,743.05
  5. Step 5: Solve for x
    x = 70,779,373,743.05/304,437.27
  6. Step 6: Final answer
    x = 232,492.47

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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.