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Finding the Fourth Proportional to 525,813.80, 788,807.10 and 226,437.80

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Solution

The fourth proportional to 525,813.80, 788,807.10 and 226,437.80 is: 339,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,813.80 : 788,807.10 = 226,437.80 : x
  2. Step 2: Convert to fraction form
    525,813.80/788,807.10 = 226,437.80/x
  3. Step 3: Cross multiply
    525,813.80x = 788,807.10 × 226,437.80
  4. Step 4: Simplify right side
    525,813.80x = 178,615,744,348.38
  5. Step 5: Solve for x
    x = 178,615,744,348.38/525,813.80
  6. Step 6: Final answer
    x = 339,693.91

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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.