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Finding the Fourth Proportional to 566,192.63, 781,351.29 and 311,549.28

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Solution

The fourth proportional to 566,192.63, 781,351.29 and 311,549.28 is: 429,941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,192.63 : 781,351.29 = 311,549.28 : x
  2. Step 2: Convert to fraction form
    566,192.63/781,351.29 = 311,549.28/x
  3. Step 3: Cross multiply
    566,192.63x = 781,351.29 × 311,549.28
  4. Step 4: Simplify right side
    566,192.63x = 243,429,431,826.57
  5. Step 5: Solve for x
    x = 243,429,431,826.57/566,192.63
  6. Step 6: Final answer
    x = 429,941.01

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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.