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Finding the Fourth Proportional to 447,316.02, 617,060.83 and 265,898.91

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Solution

The fourth proportional to 447,316.02, 617,060.83 and 265,898.91 is: 366,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,316.02 : 617,060.83 = 265,898.91 : x
  2. Step 2: Convert to fraction form
    447,316.02/617,060.83 = 265,898.91/x
  3. Step 3: Cross multiply
    447,316.02x = 617,060.83 × 265,898.91
  4. Step 4: Simplify right side
    447,316.02x = 164,075,802,100.70
  5. Step 5: Solve for x
    x = 164,075,802,100.70/447,316.02
  6. Step 6: Final answer
    x = 366,800.64

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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.