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Finding the Fourth Proportional to 525,870.80, 788,892.60 and 226,494.80

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Solution

The fourth proportional to 525,870.80, 788,892.60 and 226,494.80 is: 339,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,870.80 : 788,892.60 = 226,494.80 : x
  2. Step 2: Convert to fraction form
    525,870.80/788,892.60 = 226,494.80/x
  3. Step 3: Cross multiply
    525,870.80x = 788,892.60 × 226,494.80
  4. Step 4: Simplify right side
    525,870.80x = 178,680,071,658.48
  5. Step 5: Solve for x
    x = 178,680,071,658.48/525,870.80
  6. Step 6: Final answer
    x = 339,779.41

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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.