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Finding the Fourth Proportional to 440,289, 607,581.36 and 249,291

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Solution

The fourth proportional to 440,289, 607,581.36 and 249,291 is: 344,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,289 : 607,581.36 = 249,291 : x
  2. Step 2: Convert to fraction form
    440,289/607,581.36 = 249,291/x
  3. Step 3: Cross multiply
    440,289x = 607,581.36 × 249,291
  4. Step 4: Simplify right side
    440,289x = 151,464,564,815.76
  5. Step 5: Solve for x
    x = 151,464,564,815.76/440,289
  6. Step 6: Final answer
    x = 344,011.69

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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.