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Finding the Fourth Proportional to 593,487.60, 889,021.80 and 368,156.40

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Solution

The fourth proportional to 593,487.60, 889,021.80 and 368,156.40 is: 551,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,487.60 : 889,021.80 = 368,156.40 : x
  2. Step 2: Convert to fraction form
    593,487.60/889,021.80 = 368,156.40/x
  3. Step 3: Cross multiply
    593,487.60x = 889,021.80 × 368,156.40
  4. Step 4: Simplify right side
    593,487.60x = 327,299,065,409.52
  5. Step 5: Solve for x
    x = 327,299,065,409.52/593,487.60
  6. Step 6: Final answer
    x = 551,484.25

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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.