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Finding the Fourth Proportional to 302,070.01, 416,916.99 and 230,321.83

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Solution

The fourth proportional to 302,070.01, 416,916.99 and 230,321.83 is: 317,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,070.01 : 416,916.99 = 230,321.83 : x
  2. Step 2: Convert to fraction form
    302,070.01/416,916.99 = 230,321.83/x
  3. Step 3: Cross multiply
    302,070.01x = 416,916.99 × 230,321.83
  4. Step 4: Simplify right side
    302,070.01x = 96,025,084,094.89
  5. Step 5: Solve for x
    x = 96,025,084,094.89/302,070.01
  6. Step 6: Final answer
    x = 317,890.16

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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.