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Finding the Fourth Proportional to 385,649.52, 532,208.60 and 224,561.04

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Solution

The fourth proportional to 385,649.52, 532,208.60 and 224,561.04 is: 309,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,649.52 : 532,208.60 = 224,561.04 : x
  2. Step 2: Convert to fraction form
    385,649.52/532,208.60 = 224,561.04/x
  3. Step 3: Cross multiply
    385,649.52x = 532,208.60 × 224,561.04
  4. Step 4: Simplify right side
    385,649.52x = 119,513,316,712.94
  5. Step 5: Solve for x
    x = 119,513,316,712.94/385,649.52
  6. Step 6: Final answer
    x = 309,901.38

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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.