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Finding the Fourth Proportional to 583,864.80, 874,414.80 and 395,858.40

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Solution

The fourth proportional to 583,864.80, 874,414.80 and 395,858.40 is: 592,850.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,864.80 : 874,414.80 = 395,858.40 : x
  2. Step 2: Convert to fraction form
    583,864.80/874,414.80 = 395,858.40/x
  3. Step 3: Cross multiply
    583,864.80x = 874,414.80 × 395,858.40
  4. Step 4: Simplify right side
    583,864.80x = 346,144,443,664.32
  5. Step 5: Solve for x
    x = 346,144,443,664.32/583,864.80
  6. Step 6: Final answer
    x = 592,850.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.