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Finding the Fourth Proportional to 594,001.40, 891,002.10 and 445,285.40

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Solution

The fourth proportional to 594,001.40, 891,002.10 and 445,285.40 is: 667,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,001.40 : 891,002.10 = 445,285.40 : x
  2. Step 2: Convert to fraction form
    594,001.40/891,002.10 = 445,285.40/x
  3. Step 3: Cross multiply
    594,001.40x = 891,002.10 × 445,285.40
  4. Step 4: Simplify right side
    594,001.40x = 396,750,226,499.34
  5. Step 5: Solve for x
    x = 396,750,226,499.34/594,001.40
  6. Step 6: Final answer
    x = 667,928.10

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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.