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Finding the Fourth Proportional to 593,661.76, 889,929.44 and 219,430.72

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Solution

The fourth proportional to 593,661.76, 889,929.44 and 219,430.72 is: 328,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,661.76 : 889,929.44 = 219,430.72 : x
  2. Step 2: Convert to fraction form
    593,661.76/889,929.44 = 219,430.72/x
  3. Step 3: Cross multiply
    593,661.76x = 889,929.44 × 219,430.72
  4. Step 4: Simplify right side
    593,661.76x = 195,277,857,768.40
  5. Step 5: Solve for x
    x = 195,277,857,768.40/593,661.76
  6. Step 6: Final answer
    x = 328,937.91

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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.