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Finding the Fourth Proportional to 455,881.98, 683,211.71 and 354,802.08

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Solution

The fourth proportional to 455,881.98, 683,211.71 and 354,802.08 is: 531,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,881.98 : 683,211.71 = 354,802.08 : x
  2. Step 2: Convert to fraction form
    455,881.98/683,211.71 = 354,802.08/x
  3. Step 3: Cross multiply
    455,881.98x = 683,211.71 × 354,802.08
  4. Step 4: Simplify right side
    455,881.98x = 242,404,936,675.36
  5. Step 5: Solve for x
    x = 242,404,936,675.36/455,881.98
  6. Step 6: Final answer
    x = 531,727.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.