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Finding the Fourth Proportional to 551,298.92, 760,875.78 and 336,564.20

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Solution

The fourth proportional to 551,298.92, 760,875.78 and 336,564.20 is: 464,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,298.92 : 760,875.78 = 336,564.20 : x
  2. Step 2: Convert to fraction form
    551,298.92/760,875.78 = 336,564.20/x
  3. Step 3: Cross multiply
    551,298.92x = 760,875.78 × 336,564.20
  4. Step 4: Simplify right side
    551,298.92x = 256,083,548,195.08
  5. Step 5: Solve for x
    x = 256,083,548,195.08/551,298.92
  6. Step 6: Final answer
    x = 464,509.43

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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.