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Finding the Fourth Proportional to 369,462.64, 553,192.92 and 191,596.64

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Solution

The fourth proportional to 369,462.64, 553,192.92 and 191,596.64 is: 286,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,462.64 : 553,192.92 = 191,596.64 : x
  2. Step 2: Convert to fraction form
    369,462.64/553,192.92 = 191,596.64/x
  3. Step 3: Cross multiply
    369,462.64x = 553,192.92 × 191,596.64
  4. Step 4: Simplify right side
    369,462.64x = 105,989,904,743.79
  5. Step 5: Solve for x
    x = 105,989,904,743.79/369,462.64
  6. Step 6: Final answer
    x = 286,875.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.