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Finding the Fourth Proportional to 616,707.98, 851,075.71 and 344,787.33

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Solution

The fourth proportional to 616,707.98, 851,075.71 and 344,787.33 is: 475,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,707.98 : 851,075.71 = 344,787.33 : x
  2. Step 2: Convert to fraction form
    616,707.98/851,075.71 = 344,787.33/x
  3. Step 3: Cross multiply
    616,707.98x = 851,075.71 × 344,787.33
  4. Step 4: Simplify right side
    616,707.98x = 293,440,124,008.32
  5. Step 5: Solve for x
    x = 293,440,124,008.32/616,707.98
  6. Step 6: Final answer
    x = 475,816.97

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1.5x scale

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.