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Finding the Fourth Proportional to 612,040.40, 844,598.80 and 340,101.24

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Solution

The fourth proportional to 612,040.40, 844,598.80 and 340,101.24 is: 469,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,040.40 : 844,598.80 = 340,101.24 : x
  2. Step 2: Convert to fraction form
    612,040.40/844,598.80 = 340,101.24/x
  3. Step 3: Cross multiply
    612,040.40x = 844,598.80 × 340,101.24
  4. Step 4: Simplify right side
    612,040.40x = 287,249,099,182.51
  5. Step 5: Solve for x
    x = 287,249,099,182.51/612,040.40
  6. Step 6: Final answer
    x = 469,330.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.