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Finding the Fourth Proportional to 286,102.62, 429,153.93 and 152,578.35

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Solution

The fourth proportional to 286,102.62, 429,153.93 and 152,578.35 is: 228,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,102.62 : 429,153.93 = 152,578.35 : x
  2. Step 2: Convert to fraction form
    286,102.62/429,153.93 = 152,578.35/x
  3. Step 3: Cross multiply
    286,102.62x = 429,153.93 × 152,578.35
  4. Step 4: Simplify right side
    286,102.62x = 65,479,598,535.42
  5. Step 5: Solve for x
    x = 65,479,598,535.42/286,102.62
  6. Step 6: Final answer
    x = 228,867.53

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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.