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Finding the Fourth Proportional to 340,497.44, 469,897.68 and 195,328.16

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Solution

The fourth proportional to 340,497.44, 469,897.68 and 195,328.16 is: 269,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,497.44 : 469,897.68 = 195,328.16 : x
  2. Step 2: Convert to fraction form
    340,497.44/469,897.68 = 195,328.16/x
  3. Step 3: Cross multiply
    340,497.44x = 469,897.68 × 195,328.16
  4. Step 4: Simplify right side
    340,497.44x = 91,784,249,222.67
  5. Step 5: Solve for x
    x = 91,784,249,222.67/340,497.44
  6. Step 6: Final answer
    x = 269,559.29

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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.