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Finding the Fourth Proportional to 608,130.59, 839,243.84 and 403,829.21

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Solution

The fourth proportional to 608,130.59, 839,243.84 and 403,829.21 is: 557,300.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,130.59 : 839,243.84 = 403,829.21 : x
  2. Step 2: Convert to fraction form
    608,130.59/839,243.84 = 403,829.21/x
  3. Step 3: Cross multiply
    608,130.59x = 839,243.84 × 403,829.21
  4. Step 4: Simplify right side
    608,130.59x = 338,911,176,983.53
  5. Step 5: Solve for x
    x = 338,911,176,983.53/608,130.59
  6. Step 6: Final answer
    x = 557,300.00

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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.