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Finding the Fourth Proportional to 522,003.71, 720,415.68 and 292,600.01

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Solution

The fourth proportional to 522,003.71, 720,415.68 and 292,600.01 is: 403,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,003.71 : 720,415.68 = 292,600.01 : x
  2. Step 2: Convert to fraction form
    522,003.71/720,415.68 = 292,600.01/x
  3. Step 3: Cross multiply
    522,003.71x = 720,415.68 × 292,600.01
  4. Step 4: Simplify right side
    522,003.71x = 210,793,635,172.16
  5. Step 5: Solve for x
    x = 210,793,635,172.16/522,003.71
  6. Step 6: Final answer
    x = 403,816.35

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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.