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Finding the Fourth Proportional to 286,838.02, 430,110.15 and 168,544.90

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Solution

The fourth proportional to 286,838.02, 430,110.15 and 168,544.90 is: 252,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,838.02 : 430,110.15 = 168,544.90 : x
  2. Step 2: Convert to fraction form
    286,838.02/430,110.15 = 168,544.90/x
  3. Step 3: Cross multiply
    286,838.02x = 430,110.15 × 168,544.90
  4. Step 4: Simplify right side
    286,838.02x = 72,492,872,220.74
  5. Step 5: Solve for x
    x = 72,492,872,220.74/286,838.02
  6. Step 6: Final answer
    x = 252,731.04

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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.