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Finding the Fourth Proportional to 436,307.61, 601,608.08 and 307,204.81

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Solution

The fourth proportional to 436,307.61, 601,608.08 and 307,204.81 is: 423,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,307.61 : 601,608.08 = 307,204.81 : x
  2. Step 2: Convert to fraction form
    436,307.61/601,608.08 = 307,204.81/x
  3. Step 3: Cross multiply
    436,307.61x = 601,608.08 × 307,204.81
  4. Step 4: Simplify right side
    436,307.61x = 184,816,897,352.88
  5. Step 5: Solve for x
    x = 184,816,897,352.88/436,307.61
  6. Step 6: Final answer
    x = 423,593.11

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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.