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Finding the Fourth Proportional to 525,643.02, 788,768.28 and 222,014.52

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Solution

The fourth proportional to 525,643.02, 788,768.28 and 222,014.52 is: 333,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,643.02 : 788,768.28 = 222,014.52 : x
  2. Step 2: Convert to fraction form
    525,643.02/788,768.28 = 222,014.52/x
  3. Step 3: Cross multiply
    525,643.02x = 788,768.28 × 222,014.52
  4. Step 4: Simplify right side
    525,643.02x = 175,118,011,075.43
  5. Step 5: Solve for x
    x = 175,118,011,075.43/525,643.02
  6. Step 6: Final answer
    x = 333,150.07

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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.