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Finding the Fourth Proportional to 547,598.16, 755,477.64 and 356,775.12

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Solution

The fourth proportional to 547,598.16, 755,477.64 and 356,775.12 is: 492,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,598.16 : 755,477.64 = 356,775.12 : x
  2. Step 2: Convert to fraction form
    547,598.16/755,477.64 = 356,775.12/x
  3. Step 3: Cross multiply
    547,598.16x = 755,477.64 × 356,775.12
  4. Step 4: Simplify right side
    547,598.16x = 269,535,625,668.32
  5. Step 5: Solve for x
    x = 269,535,625,668.32/547,598.16
  6. Step 6: Final answer
    x = 492,214.26

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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.