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Finding the Fourth Proportional to 594,411.01, 820,287.10 and 339,767.66

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Solution

The fourth proportional to 594,411.01, 820,287.10 and 339,767.66 is: 468,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,411.01 : 820,287.10 = 339,767.66 : x
  2. Step 2: Convert to fraction form
    594,411.01/820,287.10 = 339,767.66/x
  3. Step 3: Cross multiply
    594,411.01x = 820,287.10 × 339,767.66
  4. Step 4: Simplify right side
    594,411.01x = 278,707,030,970.61
  5. Step 5: Solve for x
    x = 278,707,030,970.61/594,411.01
  6. Step 6: Final answer
    x = 468,879.32

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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.