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Finding the Fourth Proportional to 357,477.95, 536,216.52 and 91,238.51

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Solution

The fourth proportional to 357,477.95, 536,216.52 and 91,238.51 is: 136,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,477.95 : 536,216.52 = 91,238.51 : x
  2. Step 2: Convert to fraction form
    357,477.95/536,216.52 = 91,238.51/x
  3. Step 3: Cross multiply
    357,477.95x = 536,216.52 × 91,238.51
  4. Step 4: Simplify right side
    357,477.95x = 48,923,596,322.19
  5. Step 5: Solve for x
    x = 48,923,596,322.19/357,477.95
  6. Step 6: Final answer
    x = 136,857.66

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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.