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Finding the Fourth Proportional to 563,718.40, 777,963.17 and 334,411.45

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Solution

The fourth proportional to 563,718.40, 777,963.17 and 334,411.45 is: 461,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,718.40 : 777,963.17 = 334,411.45 : x
  2. Step 2: Convert to fraction form
    563,718.40/777,963.17 = 334,411.45/x
  3. Step 3: Cross multiply
    563,718.40x = 777,963.17 × 334,411.45
  4. Step 4: Simplify right side
    563,718.40x = 260,159,790,617.42
  5. Step 5: Solve for x
    x = 260,159,790,617.42/563,718.40
  6. Step 6: Final answer
    x = 461,506.65

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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.