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Finding the Fourth Proportional to 223,689.60, 308,537.10 and 186,794.10

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Solution

The fourth proportional to 223,689.60, 308,537.10 and 186,794.10 is: 257,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,689.60 : 308,537.10 = 186,794.10 : x
  2. Step 2: Convert to fraction form
    223,689.60/308,537.10 = 186,794.10/x
  3. Step 3: Cross multiply
    223,689.60x = 308,537.10 × 186,794.10
  4. Step 4: Simplify right side
    223,689.60x = 57,632,909,911.11
  5. Step 5: Solve for x
    x = 57,632,909,911.11/223,689.60
  6. Step 6: Final answer
    x = 257,646.80

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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.