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Finding the Fourth Proportional to 436,308.73, 601,609.63 and 307,205.94

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Solution

The fourth proportional to 436,308.73, 601,609.63 and 307,205.94 is: 423,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,308.73 : 601,609.63 = 307,205.94 : x
  2. Step 2: Convert to fraction form
    436,308.73/601,609.63 = 307,205.94/x
  3. Step 3: Cross multiply
    436,308.73x = 601,609.63 × 307,205.94
  4. Step 4: Simplify right side
    436,308.73x = 184,818,050,577.18
  5. Step 5: Solve for x
    x = 184,818,050,577.18/436,308.73
  6. Step 6: Final answer
    x = 423,594.66

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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.