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Finding the Fourth Proportional to 525,871.04, 788,525.90 and 272,896.82

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Solution

The fourth proportional to 525,871.04, 788,525.90 and 272,896.82 is: 409,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,871.04 : 788,525.90 = 272,896.82 : x
  2. Step 2: Convert to fraction form
    525,871.04/788,525.90 = 272,896.82/x
  3. Step 3: Cross multiply
    525,871.04x = 788,525.90 × 272,896.82
  4. Step 4: Simplify right side
    525,871.04x = 215,186,210,597.64
  5. Step 5: Solve for x
    x = 215,186,210,597.64/525,871.04
  6. Step 6: Final answer
    x = 409,199.58

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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.