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Finding the Fourth Proportional to 440,388.95, 607,716.41 and 249,403.71

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Solution

The fourth proportional to 440,388.95, 607,716.41 and 249,403.71 is: 344,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,388.95 : 607,716.41 = 249,403.71 : x
  2. Step 2: Convert to fraction form
    440,388.95/607,716.41 = 249,403.71/x
  3. Step 3: Cross multiply
    440,388.95x = 607,716.41 × 249,403.71
  4. Step 4: Simplify right side
    440,388.95x = 151,566,726,034.86
  5. Step 5: Solve for x
    x = 151,566,726,034.86/440,388.95
  6. Step 6: Final answer
    x = 344,165.60

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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.