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Finding the Fourth Proportional to 554,082.93, 831,124.62 and 133,358.80

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Solution

The fourth proportional to 554,082.93, 831,124.62 and 133,358.80 is: 200,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,082.93 : 831,124.62 = 133,358.80 : x
  2. Step 2: Convert to fraction form
    554,082.93/831,124.62 = 133,358.80/x
  3. Step 3: Cross multiply
    554,082.93x = 831,124.62 × 133,358.80
  4. Step 4: Simplify right side
    554,082.93x = 110,837,781,306.86
  5. Step 5: Solve for x
    x = 110,837,781,306.86/554,082.93
  6. Step 6: Final answer
    x = 200,038.25

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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.