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Finding the Fourth Proportional to 593,628.20, 889,859.10 and 530,642.60

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Solution

The fourth proportional to 593,628.20, 889,859.10 and 530,642.60 is: 795,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,628.20 : 889,859.10 = 530,642.60 : x
  2. Step 2: Convert to fraction form
    593,628.20/889,859.10 = 530,642.60/x
  3. Step 3: Cross multiply
    593,628.20x = 889,859.10 × 530,642.60
  4. Step 4: Simplify right side
    593,628.20x = 472,197,146,457.66
  5. Step 5: Solve for x
    x = 472,197,146,457.66/593,628.20
  6. Step 6: Final answer
    x = 795,442.58

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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.