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Finding the Fourth Proportional to 623,009.92, 859,754.04 and 336,529.98

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Solution

The fourth proportional to 623,009.92, 859,754.04 and 336,529.98 is: 464,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,009.92 : 859,754.04 = 336,529.98 : x
  2. Step 2: Convert to fraction form
    623,009.92/859,754.04 = 336,529.98/x
  3. Step 3: Cross multiply
    623,009.92x = 859,754.04 × 336,529.98
  4. Step 4: Simplify right side
    623,009.92x = 289,333,009,886.12
  5. Step 5: Solve for x
    x = 289,333,009,886.12/623,009.92
  6. Step 6: Final answer
    x = 464,411.56

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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.