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Finding the Fourth Proportional to 593,615.88, 888,946.71 and 415,287.90

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Solution

The fourth proportional to 593,615.88, 888,946.71 and 415,287.90 is: 621,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,615.88 : 888,946.71 = 415,287.90 : x
  2. Step 2: Convert to fraction form
    593,615.88/888,946.71 = 415,287.90/x
  3. Step 3: Cross multiply
    593,615.88x = 888,946.71 × 415,287.90
  4. Step 4: Simplify right side
    593,615.88x = 369,168,812,407.81
  5. Step 5: Solve for x
    x = 369,168,812,407.81/593,615.88
  6. Step 6: Final answer
    x = 621,898.48

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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.