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Finding the Fourth Proportional to 447,312.02, 617,055.32 and 265,894.91

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Solution

The fourth proportional to 447,312.02, 617,055.32 and 265,894.91 is: 366,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,312.02 : 617,055.32 = 265,894.91 : x
  2. Step 2: Convert to fraction form
    447,312.02/617,055.32 = 265,894.91/x
  3. Step 3: Cross multiply
    447,312.02x = 617,055.32 × 265,894.91
  4. Step 4: Simplify right side
    447,312.02x = 164,071,864,361.67
  5. Step 5: Solve for x
    x = 164,071,864,361.67/447,312.02
  6. Step 6: Final answer
    x = 366,795.12

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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.