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Finding the Fourth Proportional to 586,220.63, 808,984.49 and 331,566.35

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Solution

The fourth proportional to 586,220.63, 808,984.49 and 331,566.35 is: 457,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,220.63 : 808,984.49 = 331,566.35 : x
  2. Step 2: Convert to fraction form
    586,220.63/808,984.49 = 331,566.35/x
  3. Step 3: Cross multiply
    586,220.63x = 808,984.49 × 331,566.35
  4. Step 4: Simplify right side
    586,220.63x = 268,232,028,853.16
  5. Step 5: Solve for x
    x = 268,232,028,853.16/586,220.63
  6. Step 6: Final answer
    x = 457,561.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.