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Finding the Fourth Proportional to 447,554.04, 617,637.64 and 243,618.11

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Solution

The fourth proportional to 447,554.04, 617,637.64 and 243,618.11 is: 336,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,554.04 : 617,637.64 = 243,618.11 : x
  2. Step 2: Convert to fraction form
    447,554.04/617,637.64 = 243,618.11/x
  3. Step 3: Cross multiply
    447,554.04x = 617,637.64 × 243,618.11
  4. Step 4: Simplify right side
    447,554.04x = 150,467,717,071.56
  5. Step 5: Solve for x
    x = 150,467,717,071.56/447,554.04
  6. Step 6: Final answer
    x = 336,200.11

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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.