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Finding the Fourth Proportional to 254,357.48, 351,049.62 and 152,387.19

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Solution

The fourth proportional to 254,357.48, 351,049.62 and 152,387.19 is: 210,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,357.48 : 351,049.62 = 152,387.19 : x
  2. Step 2: Convert to fraction form
    254,357.48/351,049.62 = 152,387.19/x
  3. Step 3: Cross multiply
    254,357.48x = 351,049.62 × 152,387.19
  4. Step 4: Simplify right side
    254,357.48x = 53,495,465,142.37
  5. Step 5: Solve for x
    x = 53,495,465,142.37/254,357.48
  6. Step 6: Final answer
    x = 210,316.07

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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.