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Finding the Fourth Proportional to 344,656.80, 514,261.80 and 298,000.80

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Solution

The fourth proportional to 344,656.80, 514,261.80 and 298,000.80 is: 444,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,656.80 : 514,261.80 = 298,000.80 : x
  2. Step 2: Convert to fraction form
    344,656.80/514,261.80 = 298,000.80/x
  3. Step 3: Cross multiply
    344,656.80x = 514,261.80 × 298,000.80
  4. Step 4: Simplify right side
    344,656.80x = 153,250,427,809.44
  5. Step 5: Solve for x
    x = 153,250,427,809.44/344,656.80
  6. Step 6: Final answer
    x = 444,646.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.