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Finding the Fourth Proportional to 385,643.52, 532,200.32 and 224,555.04

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Solution

The fourth proportional to 385,643.52, 532,200.32 and 224,555.04 is: 309,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,643.52 : 532,200.32 = 224,555.04 : x
  2. Step 2: Convert to fraction form
    385,643.52/532,200.32 = 224,555.04/x
  3. Step 3: Cross multiply
    385,643.52x = 532,200.32 × 224,555.04
  4. Step 4: Simplify right side
    385,643.52x = 119,508,264,145.61
  5. Step 5: Solve for x
    x = 119,508,264,145.61/385,643.52
  6. Step 6: Final answer
    x = 309,893.10

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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.