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Finding the Fourth Proportional to 304,436.46, 420,111.98 and 168,476.14

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Solution

The fourth proportional to 304,436.46, 420,111.98 and 168,476.14 is: 232,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,436.46 : 420,111.98 = 168,476.14 : x
  2. Step 2: Convert to fraction form
    304,436.46/420,111.98 = 168,476.14/x
  3. Step 3: Cross multiply
    304,436.46x = 420,111.98 × 168,476.14
  4. Step 4: Simplify right side
    304,436.46x = 70,778,842,235.73
  5. Step 5: Solve for x
    x = 70,778,842,235.73/304,436.46
  6. Step 6: Final answer
    x = 232,491.35

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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.