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Finding the Fourth Proportional to 583,914.80, 875,267.40 and 317,111.60

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Solution

The fourth proportional to 583,914.80, 875,267.40 and 317,111.60 is: 475,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,914.80 : 875,267.40 = 317,111.60 : x
  2. Step 2: Convert to fraction form
    583,914.80/875,267.40 = 317,111.60/x
  3. Step 3: Cross multiply
    583,914.80x = 875,267.40 × 317,111.60
  4. Step 4: Simplify right side
    583,914.80x = 277,557,445,641.84
  5. Step 5: Solve for x
    x = 277,557,445,641.84/583,914.80
  6. Step 6: Final answer
    x = 475,338.95

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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.