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Finding the Fourth Proportional to 368,152.95, 507,801.32 and 238,860.44

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Solution

The fourth proportional to 368,152.95, 507,801.32 and 238,860.44 is: 329,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,152.95 : 507,801.32 = 238,860.44 : x
  2. Step 2: Convert to fraction form
    368,152.95/507,801.32 = 238,860.44/x
  3. Step 3: Cross multiply
    368,152.95x = 507,801.32 × 238,860.44
  4. Step 4: Simplify right side
    368,152.95x = 121,293,645,941.26
  5. Step 5: Solve for x
    x = 121,293,645,941.26/368,152.95
  6. Step 6: Final answer
    x = 329,465.36

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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.