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Finding the Fourth Proportional to 529,784.16, 794,808.72 and 174,818.40

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Solution

The fourth proportional to 529,784.16, 794,808.72 and 174,818.40 is: 262,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,784.16 : 794,808.72 = 174,818.40 : x
  2. Step 2: Convert to fraction form
    529,784.16/794,808.72 = 174,818.40/x
  3. Step 3: Cross multiply
    529,784.16x = 794,808.72 × 174,818.40
  4. Step 4: Simplify right side
    529,784.16x = 138,947,188,736.45
  5. Step 5: Solve for x
    x = 138,947,188,736.45/529,784.16
  6. Step 6: Final answer
    x = 262,271.32

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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.