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Finding the Fourth Proportional to 593,929.80, 889,728.30 and 551,939.40

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Solution

The fourth proportional to 593,929.80, 889,728.30 and 551,939.40 is: 826,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,929.80 : 889,728.30 = 551,939.40 : x
  2. Step 2: Convert to fraction form
    593,929.80/889,728.30 = 551,939.40/x
  3. Step 3: Cross multiply
    593,929.80x = 889,728.30 × 551,939.40
  4. Step 4: Simplify right side
    593,929.80x = 491,076,104,065.02
  5. Step 5: Solve for x
    x = 491,076,104,065.02/593,929.80
  6. Step 6: Final answer
    x = 826,825.16

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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.