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Finding the Fourth Proportional to 424,196.60, 636,261.80 and 246,590.32

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Solution

The fourth proportional to 424,196.60, 636,261.80 and 246,590.32 is: 369,866.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,196.60 : 636,261.80 = 246,590.32 : x
  2. Step 2: Convert to fraction form
    424,196.60/636,261.80 = 246,590.32/x
  3. Step 3: Cross multiply
    424,196.60x = 636,261.80 × 246,590.32
  4. Step 4: Simplify right side
    424,196.60x = 156,896,000,865.78
  5. Step 5: Solve for x
    x = 156,896,000,865.78/424,196.60
  6. Step 6: Final answer
    x = 369,866.24

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1.5x scale

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.