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Finding the Fourth Proportional to 436,884.51, 602,590.04 and 291,617.05

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Solution

The fourth proportional to 436,884.51, 602,590.04 and 291,617.05 is: 402,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,884.51 : 602,590.04 = 291,617.05 : x
  2. Step 2: Convert to fraction form
    436,884.51/602,590.04 = 291,617.05/x
  3. Step 3: Cross multiply
    436,884.51x = 602,590.04 × 291,617.05
  4. Step 4: Simplify right side
    436,884.51x = 175,725,526,811.23
  5. Step 5: Solve for x
    x = 175,725,526,811.23/436,884.51
  6. Step 6: Final answer
    x = 402,224.21

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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.