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Finding the Fourth Proportional to 554,369.49, 765,359.55 and 363,715.74

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Solution

The fourth proportional to 554,369.49, 765,359.55 and 363,715.74 is: 502,144.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,369.49 : 765,359.55 = 363,715.74 : x
  2. Step 2: Convert to fraction form
    554,369.49/765,359.55 = 363,715.74/x
  3. Step 3: Cross multiply
    554,369.49x = 765,359.55 × 363,715.74
  4. Step 4: Simplify right side
    554,369.49x = 278,373,315,094.32
  5. Step 5: Solve for x
    x = 278,373,315,094.32/554,369.49
  6. Step 6: Final answer
    x = 502,144.00

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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.