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Finding the Fourth Proportional to 480,289.83, 662,802 and 262,502.90

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Solution

The fourth proportional to 480,289.83, 662,802 and 262,502.90 is: 362,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,289.83 : 662,802 = 262,502.90 : x
  2. Step 2: Convert to fraction form
    480,289.83/662,802 = 262,502.90/x
  3. Step 3: Cross multiply
    480,289.83x = 662,802 × 262,502.90
  4. Step 4: Simplify right side
    480,289.83x = 173,987,447,125.80
  5. Step 5: Solve for x
    x = 173,987,447,125.80/480,289.83
  6. Step 6: Final answer
    x = 362,255.11

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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.