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Finding the Fourth Proportional to 610,007.95, 841,813.05 and 338,080.42

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Solution

The fourth proportional to 610,007.95, 841,813.05 and 338,080.42 is: 466,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,007.95 : 841,813.05 = 338,080.42 : x
  2. Step 2: Convert to fraction form
    610,007.95/841,813.05 = 338,080.42/x
  3. Step 3: Cross multiply
    610,007.95x = 841,813.05 × 338,080.42
  4. Step 4: Simplify right side
    610,007.95x = 284,600,509,505.48
  5. Step 5: Solve for x
    x = 284,600,509,505.48/610,007.95
  6. Step 6: Final answer
    x = 466,552.13

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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.