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Finding the Fourth Proportional to 514,801.56, 771,348.90 and 364,296.12

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Solution

The fourth proportional to 514,801.56, 771,348.90 and 364,296.12 is: 545,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,801.56 : 771,348.90 = 364,296.12 : x
  2. Step 2: Convert to fraction form
    514,801.56/771,348.90 = 364,296.12/x
  3. Step 3: Cross multiply
    514,801.56x = 771,348.90 × 364,296.12
  4. Step 4: Simplify right side
    514,801.56x = 280,999,411,436.27
  5. Step 5: Solve for x
    x = 280,999,411,436.27/514,801.56
  6. Step 6: Final answer
    x = 545,840.25

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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.