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Finding the Fourth Proportional to 552,664.16, 762,671.16 and 307,645.04

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Solution

The fourth proportional to 552,664.16, 762,671.16 and 307,645.04 is: 424,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,664.16 : 762,671.16 = 307,645.04 : x
  2. Step 2: Convert to fraction form
    552,664.16/762,671.16 = 307,645.04/x
  3. Step 3: Cross multiply
    552,664.16x = 762,671.16 × 307,645.04
  4. Step 4: Simplify right side
    552,664.16x = 234,631,999,525.05
  5. Step 5: Solve for x
    x = 234,631,999,525.05/552,664.16
  6. Step 6: Final answer
    x = 424,547.16

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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.