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Finding the Fourth Proportional to 452,489.90, 624,544.81 and 259,009.76

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Solution

The fourth proportional to 452,489.90, 624,544.81 and 259,009.76 is: 357,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,489.90 : 624,544.81 = 259,009.76 : x
  2. Step 2: Convert to fraction form
    452,489.90/624,544.81 = 259,009.76/x
  3. Step 3: Cross multiply
    452,489.90x = 624,544.81 × 259,009.76
  4. Step 4: Simplify right side
    452,489.90x = 161,763,202,261.18
  5. Step 5: Solve for x
    x = 161,763,202,261.18/452,489.90
  6. Step 6: Final answer
    x = 357,495.72

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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.