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Finding the Fourth Proportional to 533,378.16, 736,062.12 and 303,928.92

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Solution

The fourth proportional to 533,378.16, 736,062.12 and 303,928.92 is: 419,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,378.16 : 736,062.12 = 303,928.92 : x
  2. Step 2: Convert to fraction form
    533,378.16/736,062.12 = 303,928.92/x
  3. Step 3: Cross multiply
    533,378.16x = 736,062.12 × 303,928.92
  4. Step 4: Simplify right side
    533,378.16x = 223,710,565,184.51
  5. Step 5: Solve for x
    x = 223,710,565,184.51/533,378.16
  6. Step 6: Final answer
    x = 419,422.06

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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.