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Finding the Fourth Proportional to 472,193.86, 651,553.02 and 265,421.46

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Solution

The fourth proportional to 472,193.86, 651,553.02 and 265,421.46 is: 366,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,193.86 : 651,553.02 = 265,421.46 : x
  2. Step 2: Convert to fraction form
    472,193.86/651,553.02 = 265,421.46/x
  3. Step 3: Cross multiply
    472,193.86x = 651,553.02 × 265,421.46
  4. Step 4: Simplify right side
    472,193.86x = 172,936,153,835.81
  5. Step 5: Solve for x
    x = 172,936,153,835.81/472,193.86
  6. Step 6: Final answer
    x = 366,239.73

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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.