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Finding the Fourth Proportional to 440,366.32, 607,743 and 249,413.68

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Solution

The fourth proportional to 440,366.32, 607,743 and 249,413.68 is: 344,212.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,366.32 : 607,743 = 249,413.68 : x
  2. Step 2: Convert to fraction form
    440,366.32/607,743 = 249,413.68/x
  3. Step 3: Cross multiply
    440,366.32x = 607,743 × 249,413.68
  4. Step 4: Simplify right side
    440,366.32x = 151,579,418,124.24
  5. Step 5: Solve for x
    x = 151,579,418,124.24/440,366.32
  6. Step 6: Final answer
    x = 344,212.11

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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.