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Finding the Fourth Proportional to 461,567.54, 636,461.06 and 300,123.20

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Solution

The fourth proportional to 461,567.54, 636,461.06 and 300,123.20 is: 413,843.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,567.54 : 636,461.06 = 300,123.20 : x
  2. Step 2: Convert to fraction form
    461,567.54/636,461.06 = 300,123.20/x
  3. Step 3: Cross multiply
    461,567.54x = 636,461.06 × 300,123.20
  4. Step 4: Simplify right side
    461,567.54x = 191,016,725,319.67
  5. Step 5: Solve for x
    x = 191,016,725,319.67/461,567.54
  6. Step 6: Final answer
    x = 413,843.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.