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Finding the Fourth Proportional to 522,345.33, 720,880.29 and 292,898.97

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Solution

The fourth proportional to 522,345.33, 720,880.29 and 292,898.97 is: 404,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,345.33 : 720,880.29 = 292,898.97 : x
  2. Step 2: Convert to fraction form
    522,345.33/720,880.29 = 292,898.97/x
  3. Step 3: Cross multiply
    522,345.33x = 720,880.29 × 292,898.97
  4. Step 4: Simplify right side
    522,345.33x = 211,145,094,434.30
  5. Step 5: Solve for x
    x = 211,145,094,434.30/522,345.33
  6. Step 6: Final answer
    x = 404,225.10

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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.