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Finding the Fourth Proportional to 594,181.80, 891,387.90 and 298,693.80

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Solution

The fourth proportional to 594,181.80, 891,387.90 and 298,693.80 is: 448,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,181.80 : 891,387.90 = 298,693.80 : x
  2. Step 2: Convert to fraction form
    594,181.80/891,387.90 = 298,693.80/x
  3. Step 3: Cross multiply
    594,181.80x = 891,387.90 × 298,693.80
  4. Step 4: Simplify right side
    594,181.80x = 266,252,039,125.02
  5. Step 5: Solve for x
    x = 266,252,039,125.02/594,181.80
  6. Step 6: Final answer
    x = 448,098.61

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Double scale
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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.