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Finding the Fourth Proportional to 884,099.30, 1,326,840.15 and 410,843.30

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Solution

The fourth proportional to 884,099.30, 1,326,840.15 and 410,843.30 is: 616,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,099.30 : 1,326,840.15 = 410,843.30 : x
  2. Step 2: Convert to fraction form
    884,099.30/1,326,840.15 = 410,843.30/x
  3. Step 3: Cross multiply
    884,099.30x = 1,326,840.15 × 410,843.30
  4. Step 4: Simplify right side
    884,099.30x = 545,123,385,798.50
  5. Step 5: Solve for x
    x = 545,123,385,798.50/884,099.30
  6. Step 6: Final answer
    x = 616,586.15

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Double scale
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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.