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Finding the Fourth Proportional to 683,308.86, 942,973.30 and 377,392.92

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Solution

The fourth proportional to 683,308.86, 942,973.30 and 377,392.92 is: 520,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,308.86 : 942,973.30 = 377,392.92 : x
  2. Step 2: Convert to fraction form
    683,308.86/942,973.30 = 377,392.92/x
  3. Step 3: Cross multiply
    683,308.86x = 942,973.30 × 377,392.92
  4. Step 4: Simplify right side
    683,308.86x = 355,871,447,169.04
  5. Step 5: Solve for x
    x = 355,871,447,169.04/683,308.86
  6. Step 6: Final answer
    x = 520,806.14

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Double scale
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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.