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Finding the Fourth Proportional to 1,235,851.60, 1,854,468.60 and 525,758.80

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Solution

The fourth proportional to 1,235,851.60, 1,854,468.60 and 525,758.80 is: 788,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,851.60 : 1,854,468.60 = 525,758.80 : x
  2. Step 2: Convert to fraction form
    1,235,851.60/1,854,468.60 = 525,758.80/x
  3. Step 3: Cross multiply
    1,235,851.60x = 1,854,468.60 × 525,758.80
  4. Step 4: Simplify right side
    1,235,851.60x = 975,003,185,773.68
  5. Step 5: Solve for x
    x = 975,003,185,773.68/1,235,851.60
  6. Step 6: Final answer
    x = 788,932.25

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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.