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Finding the Fourth Proportional to 618,892.16, 928,116.66 and 334,792.76

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Solution

The fourth proportional to 618,892.16, 928,116.66 and 334,792.76 is: 502,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,892.16 : 928,116.66 = 334,792.76 : x
  2. Step 2: Convert to fraction form
    618,892.16/928,116.66 = 334,792.76/x
  3. Step 3: Cross multiply
    618,892.16x = 928,116.66 × 334,792.76
  4. Step 4: Simplify right side
    618,892.16x = 310,726,738,203.38
  5. Step 5: Solve for x
    x = 310,726,738,203.38/618,892.16
  6. Step 6: Final answer
    x = 502,069.28

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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.