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Finding the Fourth Proportional to 529,764.30, 793,480.05 and 459,780.30

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Solution

The fourth proportional to 529,764.30, 793,480.05 and 459,780.30 is: 688,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,764.30 : 793,480.05 = 459,780.30 : x
  2. Step 2: Convert to fraction form
    529,764.30/793,480.05 = 459,780.30/x
  3. Step 3: Cross multiply
    529,764.30x = 793,480.05 × 459,780.30
  4. Step 4: Simplify right side
    529,764.30x = 364,826,495,433.02
  5. Step 5: Solve for x
    x = 364,826,495,433.02/529,764.30
  6. Step 6: Final answer
    x = 688,658.14

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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.