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Finding the Fourth Proportional to 583,435.98, 805,141.56 and 328,796.28

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Solution

The fourth proportional to 583,435.98, 805,141.56 and 328,796.28 is: 453,738.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,435.98 : 805,141.56 = 328,796.28 : x
  2. Step 2: Convert to fraction form
    583,435.98/805,141.56 = 328,796.28/x
  3. Step 3: Cross multiply
    583,435.98x = 805,141.56 × 328,796.28
  4. Step 4: Simplify right side
    583,435.98x = 264,727,549,801.40
  5. Step 5: Solve for x
    x = 264,727,549,801.40/583,435.98
  6. Step 6: Final answer
    x = 453,738.81

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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.