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Finding the Fourth Proportional to 295,643.92, 407,973.96 and 168,307.60

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Solution

The fourth proportional to 295,643.92, 407,973.96 and 168,307.60 is: 232,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,643.92 : 407,973.96 = 168,307.60 : x
  2. Step 2: Convert to fraction form
    295,643.92/407,973.96 = 168,307.60/x
  3. Step 3: Cross multiply
    295,643.92x = 407,973.96 × 168,307.60
  4. Step 4: Simplify right side
    295,643.92x = 68,665,118,070.10
  5. Step 5: Solve for x
    x = 68,665,118,070.10/295,643.92
  6. Step 6: Final answer
    x = 232,256.15

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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.