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Finding the Fourth Proportional to 255,479.04, 383,221.44 and 97,715.52

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Solution

The fourth proportional to 255,479.04, 383,221.44 and 97,715.52 is: 146,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,479.04 : 383,221.44 = 97,715.52 : x
  2. Step 2: Convert to fraction form
    255,479.04/383,221.44 = 97,715.52/x
  3. Step 3: Cross multiply
    255,479.04x = 383,221.44 × 97,715.52
  4. Step 4: Simplify right side
    255,479.04x = 37,446,682,284.75
  5. Step 5: Solve for x
    x = 37,446,682,284.75/255,479.04
  6. Step 6: Final answer
    x = 146,574.38

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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.