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Finding the Fourth Proportional to 525,796.80, 788,263.20 and 226,507.20

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Solution

The fourth proportional to 525,796.80, 788,263.20 and 226,507.20 is: 339,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,796.80 : 788,263.20 = 226,507.20 : x
  2. Step 2: Convert to fraction form
    525,796.80/788,263.20 = 226,507.20/x
  3. Step 3: Cross multiply
    525,796.80x = 788,263.20 × 226,507.20
  4. Step 4: Simplify right side
    525,796.80x = 178,547,290,295.04
  5. Step 5: Solve for x
    x = 178,547,290,295.04/525,796.80
  6. Step 6: Final answer
    x = 339,574.70

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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.