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Finding the Fourth Proportional to 304,437.68, 420,113.66 and 168,477.36

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Solution

The fourth proportional to 304,437.68, 420,113.66 and 168,477.36 is: 232,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,437.68 : 420,113.66 = 168,477.36 : x
  2. Step 2: Convert to fraction form
    304,437.68/420,113.66 = 168,477.36/x
  3. Step 3: Cross multiply
    304,437.68x = 420,113.66 × 168,477.36
  4. Step 4: Simplify right side
    304,437.68x = 70,779,639,494.35
  5. Step 5: Solve for x
    x = 70,779,639,494.35/304,437.68
  6. Step 6: Final answer
    x = 232,493.04

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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.