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Finding the Fourth Proportional to 551,463.04, 760,825.20 and 360,588.16

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Solution

The fourth proportional to 551,463.04, 760,825.20 and 360,588.16 is: 497,484.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,463.04 : 760,825.20 = 360,588.16 : x
  2. Step 2: Convert to fraction form
    551,463.04/760,825.20 = 360,588.16/x
  3. Step 3: Cross multiply
    551,463.04x = 760,825.20 × 360,588.16
  4. Step 4: Simplify right side
    551,463.04x = 274,344,558,949.63
  5. Step 5: Solve for x
    x = 274,344,558,949.63/551,463.04
  6. Step 6: Final answer
    x = 497,484.94

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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.