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Finding the Fourth Proportional to 375,732.57, 518,455.59 and 228,482.31

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Solution

The fourth proportional to 375,732.57, 518,455.59 and 228,482.31 is: 315,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,732.57 : 518,455.59 = 228,482.31 : x
  2. Step 2: Convert to fraction form
    375,732.57/518,455.59 = 228,482.31/x
  3. Step 3: Cross multiply
    375,732.57x = 518,455.59 × 228,482.31
  4. Step 4: Simplify right side
    375,732.57x = 118,457,933,850.83
  5. Step 5: Solve for x
    x = 118,457,933,850.83/375,732.57
  6. Step 6: Final answer
    x = 315,271.94

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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.