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Finding the Fourth Proportional to 514,154.82, 709,528.71 and 296,283.45

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Solution

The fourth proportional to 514,154.82, 709,528.71 and 296,283.45 is: 408,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,154.82 : 709,528.71 = 296,283.45 : x
  2. Step 2: Convert to fraction form
    514,154.82/709,528.71 = 296,283.45/x
  3. Step 3: Cross multiply
    514,154.82x = 709,528.71 × 296,283.45
  4. Step 4: Simplify right side
    514,154.82x = 210,221,611,858.00
  5. Step 5: Solve for x
    x = 210,221,611,858.00/514,154.82
  6. Step 6: Final answer
    x = 408,868.31

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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.