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Finding the Fourth Proportional to 531,975.40, 797,963.10 and 522,644.20

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Solution

The fourth proportional to 531,975.40, 797,963.10 and 522,644.20 is: 783,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,975.40 : 797,963.10 = 522,644.20 : x
  2. Step 2: Convert to fraction form
    531,975.40/797,963.10 = 522,644.20/x
  3. Step 3: Cross multiply
    531,975.40x = 797,963.10 × 522,644.20
  4. Step 4: Simplify right side
    531,975.40x = 417,050,786,029.02
  5. Step 5: Solve for x
    x = 417,050,786,029.02/531,975.40
  6. Step 6: Final answer
    x = 783,966.30

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Double scale
Find fourth proportional to 531,976.40, 797,964.60 and 522,645.20
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.