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Finding the Fourth Proportional to 375,515.76, 518,259.96 and 214,333.86

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Solution

The fourth proportional to 375,515.76, 518,259.96 and 214,333.86 is: 295,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,515.76 : 518,259.96 = 214,333.86 : x
  2. Step 2: Convert to fraction form
    375,515.76/518,259.96 = 214,333.86/x
  3. Step 3: Cross multiply
    375,515.76x = 518,259.96 × 214,333.86
  4. Step 4: Simplify right side
    375,515.76x = 111,080,657,710.25
  5. Step 5: Solve for x
    x = 111,080,657,710.25/375,515.76
  6. Step 6: Final answer
    x = 295,808.24

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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.