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Finding the Fourth Proportional to 477,373.68, 658,730.61 and 283,765.86

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Solution

The fourth proportional to 477,373.68, 658,730.61 and 283,765.86 is: 391,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,373.68 : 658,730.61 = 283,765.86 : x
  2. Step 2: Convert to fraction form
    477,373.68/658,730.61 = 283,765.86/x
  3. Step 3: Cross multiply
    477,373.68x = 658,730.61 × 283,765.86
  4. Step 4: Simplify right side
    477,373.68x = 186,925,258,054.98
  5. Step 5: Solve for x
    x = 186,925,258,054.98/477,373.68
  6. Step 6: Final answer
    x = 391,570.10

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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.