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Finding the Fourth Proportional to 888,605.92, 1,226,272.50 and 480,706.80

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Solution

The fourth proportional to 888,605.92, 1,226,272.50 and 480,706.80 is: 663,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,605.92 : 1,226,272.50 = 480,706.80 : x
  2. Step 2: Convert to fraction form
    888,605.92/1,226,272.50 = 480,706.80/x
  3. Step 3: Cross multiply
    888,605.92x = 1,226,272.50 × 480,706.80
  4. Step 4: Simplify right side
    888,605.92x = 589,477,529,403
  5. Step 5: Solve for x
    x = 589,477,529,403/888,605.92
  6. Step 6: Final answer
    x = 663,373.40

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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.