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Finding the Fourth Proportional to 366,907.77, 549,491.63 and 290,761.47

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Solution

The fourth proportional to 366,907.77, 549,491.63 and 290,761.47 is: 435,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,907.77 : 549,491.63 = 290,761.47 : x
  2. Step 2: Convert to fraction form
    366,907.77/549,491.63 = 290,761.47/x
  3. Step 3: Cross multiply
    366,907.77x = 549,491.63 × 290,761.47
  4. Step 4: Simplify right side
    366,907.77x = 159,770,992,637.69
  5. Step 5: Solve for x
    x = 159,770,992,637.69/366,907.77
  6. Step 6: Final answer
    x = 435,452.74

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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.