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Finding the Fourth Proportional to 537,069.55, 805,431.98 and 177,159.55

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Solution

The fourth proportional to 537,069.55, 805,431.98 and 177,159.55 is: 265,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,069.55 : 805,431.98 = 177,159.55 : x
  2. Step 2: Convert to fraction form
    537,069.55/805,431.98 = 177,159.55/x
  3. Step 3: Cross multiply
    537,069.55x = 805,431.98 × 177,159.55
  4. Step 4: Simplify right side
    537,069.55x = 142,689,967,132.41
  5. Step 5: Solve for x
    x = 142,689,967,132.41/537,069.55
  6. Step 6: Final answer
    x = 265,682.47

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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.