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Finding the Fourth Proportional to 358,397.16, 537,220.56 and 133,667.16

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Solution

The fourth proportional to 358,397.16, 537,220.56 and 133,667.16 is: 200,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,397.16 : 537,220.56 = 133,667.16 : x
  2. Step 2: Convert to fraction form
    358,397.16/537,220.56 = 133,667.16/x
  3. Step 3: Cross multiply
    358,397.16x = 537,220.56 × 133,667.16
  4. Step 4: Simplify right side
    358,397.16x = 71,808,746,548.81
  5. Step 5: Solve for x
    x = 71,808,746,548.81/358,397.16
  6. Step 6: Final answer
    x = 200,360.81

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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.