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Finding the Fourth Proportional to 561,957.59, 774,983.87 and 368,294.76

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Solution

The fourth proportional to 561,957.59, 774,983.87 and 368,294.76 is: 507,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,957.59 : 774,983.87 = 368,294.76 : x
  2. Step 2: Convert to fraction form
    561,957.59/774,983.87 = 368,294.76/x
  3. Step 3: Cross multiply
    561,957.59x = 774,983.87 × 368,294.76
  4. Step 4: Simplify right side
    561,957.59x = 285,422,498,501.51
  5. Step 5: Solve for x
    x = 285,422,498,501.51/561,957.59
  6. Step 6: Final answer
    x = 507,907.54

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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.