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Finding the Fourth Proportional to 357,772.58, 536,655.08 and 91,530.98

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Solution

The fourth proportional to 357,772.58, 536,655.08 and 91,530.98 is: 137,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,772.58 : 536,655.08 = 91,530.98 : x
  2. Step 2: Convert to fraction form
    357,772.58/536,655.08 = 91,530.98/x
  3. Step 3: Cross multiply
    357,772.58x = 536,655.08 × 91,530.98
  4. Step 4: Simplify right side
    357,772.58x = 49,120,562,253.45
  5. Step 5: Solve for x
    x = 49,120,562,253.45/357,772.58
  6. Step 6: Final answer
    x = 137,295.49

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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.