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Finding the Fourth Proportional to 452,801.40, 679,202.10 and 242,849.40

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Solution

The fourth proportional to 452,801.40, 679,202.10 and 242,849.40 is: 364,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,801.40 : 679,202.10 = 242,849.40 : x
  2. Step 2: Convert to fraction form
    452,801.40/679,202.10 = 242,849.40/x
  3. Step 3: Cross multiply
    452,801.40x = 679,202.10 × 242,849.40
  4. Step 4: Simplify right side
    452,801.40x = 164,943,822,463.74
  5. Step 5: Solve for x
    x = 164,943,822,463.74/452,801.40
  6. Step 6: Final answer
    x = 364,274.10

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Similar ratio
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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.