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Finding the Fourth Proportional to 293,409.68, 439,543.46 and 216,332.30

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Solution

The fourth proportional to 293,409.68, 439,543.46 and 216,332.30 is: 324,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,409.68 : 439,543.46 = 216,332.30 : x
  2. Step 2: Convert to fraction form
    293,409.68/439,543.46 = 216,332.30/x
  3. Step 3: Cross multiply
    293,409.68x = 439,543.46 × 216,332.30
  4. Step 4: Simplify right side
    293,409.68x = 95,087,447,651.76
  5. Step 5: Solve for x
    x = 95,087,447,651.76/293,409.68
  6. Step 6: Final answer
    x = 324,077.40

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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.