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Finding the Fourth Proportional to 316,788.04, 475,252.98 and 106,420.24

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Solution

The fourth proportional to 316,788.04, 475,252.98 and 106,420.24 is: 159,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,788.04 : 475,252.98 = 106,420.24 : x
  2. Step 2: Convert to fraction form
    316,788.04/475,252.98 = 106,420.24/x
  3. Step 3: Cross multiply
    316,788.04x = 475,252.98 × 106,420.24
  4. Step 4: Simplify right side
    316,788.04x = 50,576,536,192.32
  5. Step 5: Solve for x
    x = 50,576,536,192.32/316,788.04
  6. Step 6: Final answer
    x = 159,654.18

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1.5x scale

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.