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Finding the Fourth Proportional to 437,467.10, 656,200.65 and 434,702.30

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Solution

The fourth proportional to 437,467.10, 656,200.65 and 434,702.30 is: 652,053.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,467.10 : 656,200.65 = 434,702.30 : x
  2. Step 2: Convert to fraction form
    437,467.10/656,200.65 = 434,702.30/x
  3. Step 3: Cross multiply
    437,467.10x = 656,200.65 × 434,702.30
  4. Step 4: Simplify right side
    437,467.10x = 285,251,931,816.50
  5. Step 5: Solve for x
    x = 285,251,931,816.50/437,467.10
  6. Step 6: Final answer
    x = 652,053.45

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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.