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Finding the Fourth Proportional to 368,310.04, 508,262.75 and 207,165.20

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Solution

The fourth proportional to 368,310.04, 508,262.75 and 207,165.20 is: 285,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,310.04 : 508,262.75 = 207,165.20 : x
  2. Step 2: Convert to fraction form
    368,310.04/508,262.75 = 207,165.20/x
  3. Step 3: Cross multiply
    368,310.04x = 508,262.75 × 207,165.20
  4. Step 4: Simplify right side
    368,310.04x = 105,294,354,256.30
  5. Step 5: Solve for x
    x = 105,294,354,256.30/368,310.04
  6. Step 6: Final answer
    x = 285,885.10

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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.