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Finding the Fourth Proportional to 529,871.72, 795,157.74 and 249,469.16

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Solution

The fourth proportional to 529,871.72, 795,157.74 and 249,469.16 is: 374,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,871.72 : 795,157.74 = 249,469.16 : x
  2. Step 2: Convert to fraction form
    529,871.72/795,157.74 = 249,469.16/x
  3. Step 3: Cross multiply
    529,871.72x = 795,157.74 × 249,469.16
  4. Step 4: Simplify right side
    529,871.72x = 198,367,333,465.30
  5. Step 5: Solve for x
    x = 198,367,333,465.30/529,871.72
  6. Step 6: Final answer
    x = 374,368.60

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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.