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Finding the Fourth Proportional to 340,665.51, 469,970.68 and 202,767.11

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Solution

The fourth proportional to 340,665.51, 469,970.68 and 202,767.11 is: 279,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,665.51 : 469,970.68 = 202,767.11 : x
  2. Step 2: Convert to fraction form
    340,665.51/469,970.68 = 202,767.11/x
  3. Step 3: Cross multiply
    340,665.51x = 469,970.68 × 202,767.11
  4. Step 4: Simplify right side
    340,665.51x = 95,294,593,204.65
  5. Step 5: Solve for x
    x = 95,294,593,204.65/340,665.51
  6. Step 6: Final answer
    x = 279,730.68

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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.