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Finding the Fourth Proportional to 248,689.24, 343,041.48 and 151,848.88

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Solution

The fourth proportional to 248,689.24, 343,041.48 and 151,848.88 is: 209,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,689.24 : 343,041.48 = 151,848.88 : x
  2. Step 2: Convert to fraction form
    248,689.24/343,041.48 = 151,848.88/x
  3. Step 3: Cross multiply
    248,689.24x = 343,041.48 × 151,848.88
  4. Step 4: Simplify right side
    248,689.24x = 52,090,463,673.94
  5. Step 5: Solve for x
    x = 52,090,463,673.94/248,689.24
  6. Step 6: Final answer
    x = 209,460.06

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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.