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Finding the Fourth Proportional to 585,895.84, 808,529.04 and 317,618.08

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Solution

The fourth proportional to 585,895.84, 808,529.04 and 317,618.08 is: 438,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,895.84 : 808,529.04 = 317,618.08 : x
  2. Step 2: Convert to fraction form
    585,895.84/808,529.04 = 317,618.08/x
  3. Step 3: Cross multiply
    585,895.84x = 808,529.04 × 317,618.08
  4. Step 4: Simplify right side
    585,895.84x = 256,803,441,309.04
  5. Step 5: Solve for x
    x = 256,803,441,309.04/585,895.84
  6. Step 6: Final answer
    x = 438,309.04

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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.