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Finding the Fourth Proportional to 368,117.90, 507,995.94 and 204,773.60

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Solution

The fourth proportional to 368,117.90, 507,995.94 and 204,773.60 is: 282,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,117.90 : 507,995.94 = 204,773.60 : x
  2. Step 2: Convert to fraction form
    368,117.90/507,995.94 = 204,773.60/x
  3. Step 3: Cross multiply
    368,117.90x = 507,995.94 × 204,773.60
  4. Step 4: Simplify right side
    368,117.90x = 104,024,154,879.20
  5. Step 5: Solve for x
    x = 104,024,154,879.20/368,117.90
  6. Step 6: Final answer
    x = 282,583.80

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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.