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Finding the Fourth Proportional to 535,988.79, 800,127.69 and 459,261.10

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Solution

The fourth proportional to 535,988.79, 800,127.69 and 459,261.10 is: 685,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,988.79 : 800,127.69 = 459,261.10 : x
  2. Step 2: Convert to fraction form
    535,988.79/800,127.69 = 459,261.10/x
  3. Step 3: Cross multiply
    535,988.79x = 800,127.69 × 459,261.10
  4. Step 4: Simplify right side
    535,988.79x = 367,467,523,049.86
  5. Step 5: Solve for x
    x = 367,467,523,049.86/535,988.79
  6. Step 6: Final answer
    x = 685,588.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.