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Finding the Fourth Proportional to 357,395.90, 536,197.73 and 144,053.44

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Solution

The fourth proportional to 357,395.90, 536,197.73 and 144,053.44 is: 216,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,395.90 : 536,197.73 = 144,053.44 : x
  2. Step 2: Convert to fraction form
    357,395.90/536,197.73 = 144,053.44/x
  3. Step 3: Cross multiply
    357,395.90x = 536,197.73 × 144,053.44
  4. Step 4: Simplify right side
    357,395.90x = 77,241,125,465.93
  5. Step 5: Solve for x
    x = 77,241,125,465.93/357,395.90
  6. Step 6: Final answer
    x = 216,122.03

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1.5x scale

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.