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Finding the Fourth Proportional to 323,547.68, 446,521.56 and 178,379.84

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Solution

The fourth proportional to 323,547.68, 446,521.56 and 178,379.84 is: 246,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,547.68 : 446,521.56 = 178,379.84 : x
  2. Step 2: Convert to fraction form
    323,547.68/446,521.56 = 178,379.84/x
  3. Step 3: Cross multiply
    323,547.68x = 446,521.56 × 178,379.84
  4. Step 4: Simplify right side
    323,547.68x = 79,650,444,429.35
  5. Step 5: Solve for x
    x = 79,650,444,429.35/323,547.68
  6. Step 6: Final answer
    x = 246,178.38

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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.