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Finding the Fourth Proportional to 358,258.93, 536,981.00 and 187,216.93

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Solution

The fourth proportional to 358,258.93, 536,981.00 and 187,216.93 is: 280,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,258.93 : 536,981.00 = 187,216.93 : x
  2. Step 2: Convert to fraction form
    358,258.93/536,981.00 = 187,216.93/x
  3. Step 3: Cross multiply
    358,258.93x = 536,981.00 × 187,216.93
  4. Step 4: Simplify right side
    358,258.93x = 100,531,934,023.47
  5. Step 5: Solve for x
    x = 100,531,934,023.47/358,258.93
  6. Step 6: Final answer
    x = 280,612.50

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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.