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Finding the Fourth Proportional to 461,266.84, 636,533.80 and 270,407.35

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Solution

The fourth proportional to 461,266.84, 636,533.80 and 270,407.35 is: 373,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,266.84 : 636,533.80 = 270,407.35 : x
  2. Step 2: Convert to fraction form
    461,266.84/636,533.80 = 270,407.35/x
  3. Step 3: Cross multiply
    461,266.84x = 636,533.80 × 270,407.35
  4. Step 4: Simplify right side
    461,266.84x = 172,123,418,043.43
  5. Step 5: Solve for x
    x = 172,123,418,043.43/461,266.84
  6. Step 6: Final answer
    x = 373,153.68

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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.