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Finding the Fourth Proportional to 477,308.91, 658,688.73 and 262,462.89

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Solution

The fourth proportional to 477,308.91, 658,688.73 and 262,462.89 is: 362,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,308.91 : 658,688.73 = 262,462.89 : x
  2. Step 2: Convert to fraction form
    477,308.91/658,688.73 = 262,462.89/x
  3. Step 3: Cross multiply
    477,308.91x = 658,688.73 × 262,462.89
  4. Step 4: Simplify right side
    477,308.91x = 172,881,347,686.23
  5. Step 5: Solve for x
    x = 172,881,347,686.23/477,308.91
  6. Step 6: Final answer
    x = 362,200.13

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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.