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Finding the Fourth Proportional to 537,315.79, 805,944.51 and 163,309.63

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Solution

The fourth proportional to 537,315.79, 805,944.51 and 163,309.63 is: 244,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,315.79 : 805,944.51 = 163,309.63 : x
  2. Step 2: Convert to fraction form
    537,315.79/805,944.51 = 163,309.63/x
  3. Step 3: Cross multiply
    537,315.79x = 805,944.51 × 163,309.63
  4. Step 4: Simplify right side
    537,315.79x = 131,618,499,728.63
  5. Step 5: Solve for x
    x = 131,618,499,728.63/537,315.79
  6. Step 6: Final answer
    x = 244,955.58

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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.