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Finding the Fourth Proportional to 315,069.42, 472,446.45 and 104,633.58

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Solution

The fourth proportional to 315,069.42, 472,446.45 and 104,633.58 is: 156,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,069.42 : 472,446.45 = 104,633.58 : x
  2. Step 2: Convert to fraction form
    315,069.42/472,446.45 = 104,633.58/x
  3. Step 3: Cross multiply
    315,069.42x = 472,446.45 × 104,633.58
  4. Step 4: Simplify right side
    315,069.42x = 49,433,763,421.79
  5. Step 5: Solve for x
    x = 49,433,763,421.79/315,069.42
  6. Step 6: Final answer
    x = 156,898.00

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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.