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Finding the Fourth Proportional to 472,192.86, 651,551.64 and 265,420.46

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Solution

The fourth proportional to 472,192.86, 651,551.64 and 265,420.46 is: 366,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,192.86 : 651,551.64 = 265,420.46 : x
  2. Step 2: Convert to fraction form
    472,192.86/651,551.64 = 265,420.46/x
  3. Step 3: Cross multiply
    472,192.86x = 651,551.64 × 265,420.46
  4. Step 4: Simplify right side
    472,192.86x = 172,935,136,002.55
  5. Step 5: Solve for x
    x = 172,935,136,002.55/472,192.86
  6. Step 6: Final answer
    x = 366,238.35

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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.