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Finding the Fourth Proportional to 430,122.51, 593,398.58 and 248,800.77

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Solution

The fourth proportional to 430,122.51, 593,398.58 and 248,800.77 is: 343,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,122.51 : 593,398.58 = 248,800.77 : x
  2. Step 2: Convert to fraction form
    430,122.51/593,398.58 = 248,800.77/x
  3. Step 3: Cross multiply
    430,122.51x = 593,398.58 × 248,800.77
  4. Step 4: Simplify right side
    430,122.51x = 147,638,022,376.90
  5. Step 5: Solve for x
    x = 147,638,022,376.90/430,122.51
  6. Step 6: Final answer
    x = 343,246.44

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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.