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Finding the Fourth Proportional to 655,667.92, 904,725.48 and 369,130.96

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Solution

The fourth proportional to 655,667.92, 904,725.48 and 369,130.96 is: 509,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,667.92 : 904,725.48 = 369,130.96 : x
  2. Step 2: Convert to fraction form
    655,667.92/904,725.48 = 369,130.96/x
  3. Step 3: Cross multiply
    655,667.92x = 904,725.48 × 369,130.96
  4. Step 4: Simplify right side
    655,667.92x = 333,962,184,968.86
  5. Step 5: Solve for x
    x = 333,962,184,968.86/655,667.92
  6. Step 6: Final answer
    x = 509,346.54

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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.