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Finding the Fourth Proportional to 298,528.35, 411,533.91 and 226,783.82

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Solution

The fourth proportional to 298,528.35, 411,533.91 and 226,783.82 is: 312,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,528.35 : 411,533.91 = 226,783.82 : x
  2. Step 2: Convert to fraction form
    298,528.35/411,533.91 = 226,783.82/x
  3. Step 3: Cross multiply
    298,528.35x = 411,533.91 × 226,783.82
  4. Step 4: Simplify right side
    298,528.35x = 93,329,230,111.67
  5. Step 5: Solve for x
    x = 93,329,230,111.67/298,528.35
  6. Step 6: Final answer
    x = 312,631.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.