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Finding the Fourth Proportional to 606,618, 837,132.84 and 338,346

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Solution

The fourth proportional to 606,618, 837,132.84 and 338,346 is: 466,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,618 : 837,132.84 = 338,346 : x
  2. Step 2: Convert to fraction form
    606,618/837,132.84 = 338,346/x
  3. Step 3: Cross multiply
    606,618x = 837,132.84 × 338,346
  4. Step 4: Simplify right side
    606,618x = 283,240,547,882.64
  5. Step 5: Solve for x
    x = 283,240,547,882.64/606,618
  6. Step 6: Final answer
    x = 466,917.48

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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.