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Finding the Fourth Proportional to 514,265.13, 771,895.26 and 248,212.89

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Solution

The fourth proportional to 514,265.13, 771,895.26 and 248,212.89 is: 372,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,265.13 : 771,895.26 = 248,212.89 : x
  2. Step 2: Convert to fraction form
    514,265.13/771,895.26 = 248,212.89/x
  3. Step 3: Cross multiply
    514,265.13x = 771,895.26 × 248,212.89
  4. Step 4: Simplify right side
    514,265.13x = 191,594,353,261.90
  5. Step 5: Solve for x
    x = 191,594,353,261.90/514,265.13
  6. Step 6: Final answer
    x = 372,559.49

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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.