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Finding the Fourth Proportional to 338,547.90, 507,951.45 and 333,234.30

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Solution

The fourth proportional to 338,547.90, 507,951.45 and 333,234.30 is: 499,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,547.90 : 507,951.45 = 333,234.30 : x
  2. Step 2: Convert to fraction form
    338,547.90/507,951.45 = 333,234.30/x
  3. Step 3: Cross multiply
    338,547.90x = 507,951.45 × 333,234.30
  4. Step 4: Simplify right side
    338,547.90x = 169,266,845,874.74
  5. Step 5: Solve for x
    x = 169,266,845,874.74/338,547.90
  6. Step 6: Final answer
    x = 499,979.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.