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Finding the Fourth Proportional to 477,445.96, 658,875.66 and 262,600.60

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Solution

The fourth proportional to 477,445.96, 658,875.66 and 262,600.60 is: 362,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,445.96 : 658,875.66 = 262,600.60 : x
  2. Step 2: Convert to fraction form
    477,445.96/658,875.66 = 262,600.60/x
  3. Step 3: Cross multiply
    477,445.96x = 658,875.66 × 262,600.60
  4. Step 4: Simplify right side
    477,445.96x = 173,021,143,641.40
  5. Step 5: Solve for x
    x = 173,021,143,641.40/477,445.96
  6. Step 6: Final answer
    x = 362,388.96

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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.