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Finding the Fourth Proportional to 540,026.16, 745,448.52 and 356,235.52

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Solution

The fourth proportional to 540,026.16, 745,448.52 and 356,235.52 is: 491,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,026.16 : 745,448.52 = 356,235.52 : x
  2. Step 2: Convert to fraction form
    540,026.16/745,448.52 = 356,235.52/x
  3. Step 3: Cross multiply
    540,026.16x = 745,448.52 × 356,235.52
  4. Step 4: Simplify right side
    540,026.16x = 265,555,241,155.43
  5. Step 5: Solve for x
    x = 265,555,241,155.43/540,026.16
  6. Step 6: Final answer
    x = 491,745.14

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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.