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Finding the Fourth Proportional to 358,304.72, 537,527.48 and 118,408.91

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Solution

The fourth proportional to 358,304.72, 537,527.48 and 118,408.91 is: 177,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,304.72 : 537,527.48 = 118,408.91 : x
  2. Step 2: Convert to fraction form
    358,304.72/537,527.48 = 118,408.91/x
  3. Step 3: Cross multiply
    358,304.72x = 537,527.48 × 118,408.91
  4. Step 4: Simplify right side
    358,304.72x = 63,648,039,722.16
  5. Step 5: Solve for x
    x = 63,648,039,722.16/358,304.72
  6. Step 6: Final answer
    x = 177,636.62

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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.