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Finding the Fourth Proportional to 473,996.40, 710,994.60 and 442,892.40

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Solution

The fourth proportional to 473,996.40, 710,994.60 and 442,892.40 is: 664,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,996.40 : 710,994.60 = 442,892.40 : x
  2. Step 2: Convert to fraction form
    473,996.40/710,994.60 = 442,892.40/x
  3. Step 3: Cross multiply
    473,996.40x = 710,994.60 × 442,892.40
  4. Step 4: Simplify right side
    473,996.40x = 314,894,104,781.04
  5. Step 5: Solve for x
    x = 314,894,104,781.04/473,996.40
  6. Step 6: Final answer
    x = 664,338.60

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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.