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Finding the Fourth Proportional to 484,036.40, 726,200.40 and 344,068.40

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Solution

The fourth proportional to 484,036.40, 726,200.40 and 344,068.40 is: 516,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,036.40 : 726,200.40 = 344,068.40 : x
  2. Step 2: Convert to fraction form
    484,036.40/726,200.40 = 344,068.40/x
  3. Step 3: Cross multiply
    484,036.40x = 726,200.40 × 344,068.40
  4. Step 4: Simplify right side
    484,036.40x = 249,862,609,707.36
  5. Step 5: Solve for x
    x = 249,862,609,707.36/484,036.40
  6. Step 6: Final answer
    x = 516,206.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.