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Finding the Fourth Proportional to 522,270.61, 716,039.68 and 512,822.77

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Solution

The fourth proportional to 522,270.61, 716,039.68 and 512,822.77 is: 703,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,270.61 : 716,039.68 = 512,822.77 : x
  2. Step 2: Convert to fraction form
    522,270.61/716,039.68 = 512,822.77/x
  3. Step 3: Cross multiply
    522,270.61x = 716,039.68 × 512,822.77
  4. Step 4: Simplify right side
    522,270.61x = 367,201,452,127.51
  5. Step 5: Solve for x
    x = 367,201,452,127.51/522,270.61
  6. Step 6: Final answer
    x = 703,086.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.