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Finding the Fourth Proportional to 282,634.68, 389,646.12 and 225,468.06

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Solution

The fourth proportional to 282,634.68, 389,646.12 and 225,468.06 is: 310,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,634.68 : 389,646.12 = 225,468.06 : x
  2. Step 2: Convert to fraction form
    282,634.68/389,646.12 = 225,468.06/x
  3. Step 3: Cross multiply
    282,634.68x = 389,646.12 × 225,468.06
  4. Step 4: Simplify right side
    282,634.68x = 87,852,754,762.93
  5. Step 5: Solve for x
    x = 87,852,754,762.93/282,634.68
  6. Step 6: Final answer
    x = 310,835.01

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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.