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Finding the Fourth Proportional to 357,672.08, 536,615.45 and 144,330.23

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Solution

The fourth proportional to 357,672.08, 536,615.45 and 144,330.23 is: 216,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,672.08 : 536,615.45 = 144,330.23 : x
  2. Step 2: Convert to fraction form
    357,672.08/536,615.45 = 144,330.23/x
  3. Step 3: Cross multiply
    357,672.08x = 536,615.45 × 144,330.23
  4. Step 4: Simplify right side
    357,672.08x = 77,449,831,320.05
  5. Step 5: Solve for x
    x = 77,449,831,320.05/357,672.08
  6. Step 6: Final answer
    x = 216,538.66

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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.