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Finding the Fourth Proportional to 540,232.34, 810,111.07 and 287,452.74

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Solution

The fourth proportional to 540,232.34, 810,111.07 and 287,452.74 is: 431,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,232.34 : 810,111.07 = 287,452.74 : x
  2. Step 2: Convert to fraction form
    540,232.34/810,111.07 = 287,452.74/x
  3. Step 3: Cross multiply
    540,232.34x = 810,111.07 × 287,452.74
  4. Step 4: Simplify right side
    540,232.34x = 232,868,644,097.23
  5. Step 5: Solve for x
    x = 232,868,644,097.23/540,232.34
  6. Step 6: Final answer
    x = 431,052.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.