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Finding the Fourth Proportional to 440,323.68, 607,634.40 and 249,355.20

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Solution

The fourth proportional to 440,323.68, 607,634.40 and 249,355.20 is: 344,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,323.68 : 607,634.40 = 249,355.20 : x
  2. Step 2: Convert to fraction form
    440,323.68/607,634.40 = 249,355.20/x
  3. Step 3: Cross multiply
    440,323.68x = 607,634.40 × 249,355.20
  4. Step 4: Simplify right side
    440,323.68x = 151,516,797,338.88
  5. Step 5: Solve for x
    x = 151,516,797,338.88/440,323.68
  6. Step 6: Final answer
    x = 344,103.22

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1.5x scale

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.