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Finding the Fourth Proportional to 583,584.32, 805,352.48 and 328,935.50

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Solution

The fourth proportional to 583,584.32, 805,352.48 and 328,935.50 is: 453,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,584.32 : 805,352.48 = 328,935.50 : x
  2. Step 2: Convert to fraction form
    583,584.32/805,352.48 = 328,935.50/x
  3. Step 3: Cross multiply
    583,584.32x = 805,352.48 × 328,935.50
  4. Step 4: Simplify right side
    583,584.32x = 264,909,020,685.04
  5. Step 5: Solve for x
    x = 264,909,020,685.04/583,584.32
  6. Step 6: Final answer
    x = 453,934.44

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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.