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Finding the Fourth Proportional to 529,482.20, 794,052.54 and 174,411.80

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Solution

The fourth proportional to 529,482.20, 794,052.54 and 174,411.80 is: 261,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,482.20 : 794,052.54 = 174,411.80 : x
  2. Step 2: Convert to fraction form
    529,482.20/794,052.54 = 174,411.80/x
  3. Step 3: Cross multiply
    529,482.20x = 794,052.54 × 174,411.80
  4. Step 4: Simplify right side
    529,482.20x = 138,492,132,795.97
  5. Step 5: Solve for x
    x = 138,492,132,795.97/529,482.20
  6. Step 6: Final answer
    x = 261,561.45

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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.