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Finding the Fourth Proportional to 354,118.94, 488,683.38 and 192,973.60

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Solution

The fourth proportional to 354,118.94, 488,683.38 and 192,973.60 is: 266,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,118.94 : 488,683.38 = 192,973.60 : x
  2. Step 2: Convert to fraction form
    354,118.94/488,683.38 = 192,973.60/x
  3. Step 3: Cross multiply
    354,118.94x = 488,683.38 × 192,973.60
  4. Step 4: Simplify right side
    354,118.94x = 94,302,991,098.77
  5. Step 5: Solve for x
    x = 94,302,991,098.77/354,118.94
  6. Step 6: Final answer
    x = 266,303.16

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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.