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Finding the Fourth Proportional to 713,494.40, 1,070,241.60 and 476,950.40

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Solution

The fourth proportional to 713,494.40, 1,070,241.60 and 476,950.40 is: 715,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,494.40 : 1,070,241.60 = 476,950.40 : x
  2. Step 2: Convert to fraction form
    713,494.40/1,070,241.60 = 476,950.40/x
  3. Step 3: Cross multiply
    713,494.40x = 1,070,241.60 × 476,950.40
  4. Step 4: Simplify right side
    713,494.40x = 510,452,159,216.64
  5. Step 5: Solve for x
    x = 510,452,159,216.64/713,494.40
  6. Step 6: Final answer
    x = 715,425.60

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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.