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Finding the Fourth Proportional to 477,328.76, 658,730.62 and 262,485.16

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Solution

The fourth proportional to 477,328.76, 658,730.62 and 262,485.16 is: 362,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,328.76 : 658,730.62 = 262,485.16 : x
  2. Step 2: Convert to fraction form
    477,328.76/658,730.62 = 262,485.16/x
  3. Step 3: Cross multiply
    477,328.76x = 658,730.62 × 262,485.16
  4. Step 4: Simplify right side
    477,328.76x = 172,907,012,187.60
  5. Step 5: Solve for x
    x = 172,907,012,187.60/477,328.76
  6. Step 6: Final answer
    x = 362,238.83

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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.