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Finding the Fourth Proportional to 584,640.24, 806,803.08 and 316,368.24

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Solution

The fourth proportional to 584,640.24, 806,803.08 and 316,368.24 is: 436,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,640.24 : 806,803.08 = 316,368.24 : x
  2. Step 2: Convert to fraction form
    584,640.24/806,803.08 = 316,368.24/x
  3. Step 3: Cross multiply
    584,640.24x = 806,803.08 × 316,368.24
  4. Step 4: Simplify right side
    584,640.24x = 255,246,870,446.18
  5. Step 5: Solve for x
    x = 255,246,870,446.18/584,640.24
  6. Step 6: Final answer
    x = 436,587.93

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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.