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Finding the Fourth Proportional to 373,047.39, 559,041.39 and 287,334.18

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Solution

The fourth proportional to 373,047.39, 559,041.39 and 287,334.18 is: 430,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,047.39 : 559,041.39 = 287,334.18 : x
  2. Step 2: Convert to fraction form
    373,047.39/559,041.39 = 287,334.18/x
  3. Step 3: Cross multiply
    373,047.39x = 559,041.39 × 287,334.18
  4. Step 4: Simplify right side
    373,047.39x = 160,631,699,381.71
  5. Step 5: Solve for x
    x = 160,631,699,381.71/373,047.39
  6. Step 6: Final answer
    x = 430,593.28

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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.