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Finding the Fourth Proportional to 463,798.26, 640,167.57 and 272,873.16

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Solution

The fourth proportional to 463,798.26, 640,167.57 and 272,873.16 is: 376,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,798.26 : 640,167.57 = 272,873.16 : x
  2. Step 2: Convert to fraction form
    463,798.26/640,167.57 = 272,873.16/x
  3. Step 3: Cross multiply
    463,798.26x = 640,167.57 × 272,873.16
  4. Step 4: Simplify right side
    463,798.26x = 174,684,547,755.42
  5. Step 5: Solve for x
    x = 174,684,547,755.42/463,798.26
  6. Step 6: Final answer
    x = 376,639.08

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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.