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Finding the Fourth Proportional to 508,045.02, 700,942.59 and 293,156.88

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Solution

The fourth proportional to 508,045.02, 700,942.59 and 293,156.88 is: 404,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,045.02 : 700,942.59 = 293,156.88 : x
  2. Step 2: Convert to fraction form
    508,045.02/700,942.59 = 293,156.88/x
  3. Step 3: Cross multiply
    508,045.02x = 700,942.59 × 293,156.88
  4. Step 4: Simplify right side
    508,045.02x = 205,486,142,743.52
  5. Step 5: Solve for x
    x = 205,486,142,743.52/508,045.02
  6. Step 6: Final answer
    x = 404,464.44

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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.