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Finding the Fourth Proportional to 282,296.40, 423,509.52 and 82,612.08

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Solution

The fourth proportional to 282,296.40, 423,509.52 and 82,612.08 is: 123,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,296.40 : 423,509.52 = 82,612.08 : x
  2. Step 2: Convert to fraction form
    282,296.40/423,509.52 = 82,612.08/x
  3. Step 3: Cross multiply
    282,296.40x = 423,509.52 × 82,612.08
  4. Step 4: Simplify right side
    282,296.40x = 34,987,002,347.00
  5. Step 5: Solve for x
    x = 34,987,002,347.00/282,296.40
  6. Step 6: Final answer
    x = 123,937.12

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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.