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Finding the Fourth Proportional to 440,338.93, 607,667.73 and 249,389.23

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Solution

The fourth proportional to 440,338.93, 607,667.73 and 249,389.23 is: 344,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,338.93 : 607,667.73 = 249,389.23 : x
  2. Step 2: Convert to fraction form
    440,338.93/607,667.73 = 249,389.23/x
  3. Step 3: Cross multiply
    440,338.93x = 607,667.73 × 249,389.23
  4. Step 4: Simplify right side
    440,338.93x = 151,545,787,280.55
  5. Step 5: Solve for x
    x = 151,545,787,280.55/440,338.93
  6. Step 6: Final answer
    x = 344,157.14

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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.