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Finding the Fourth Proportional to 358,838.60, 537,653.10 and 283,670.60

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Solution

The fourth proportional to 358,838.60, 537,653.10 and 283,670.60 is: 425,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,838.60 : 537,653.10 = 283,670.60 : x
  2. Step 2: Convert to fraction form
    358,838.60/537,653.10 = 283,670.60/x
  3. Step 3: Cross multiply
    358,838.60x = 537,653.10 × 283,670.60
  4. Step 4: Simplify right side
    358,838.60x = 152,516,377,468.86
  5. Step 5: Solve for x
    x = 152,516,377,468.86/358,838.60
  6. Step 6: Final answer
    x = 425,027.79

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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.