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Finding the Fourth Proportional to 307,070.79, 460,256.77 and 186,862.62

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Solution

The fourth proportional to 307,070.79, 460,256.77 and 186,862.62 is: 280,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,070.79 : 460,256.77 = 186,862.62 : x
  2. Step 2: Convert to fraction form
    307,070.79/460,256.77 = 186,862.62/x
  3. Step 3: Cross multiply
    307,070.79x = 460,256.77 × 186,862.62
  4. Step 4: Simplify right side
    307,070.79x = 86,004,785,914.94
  5. Step 5: Solve for x
    x = 86,004,785,914.94/307,070.79
  6. Step 6: Final answer
    x = 280,081.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.