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Finding the Fourth Proportional to 436,153.05, 601,894.52 and 242,563.45

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Solution

The fourth proportional to 436,153.05, 601,894.52 and 242,563.45 is: 334,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,153.05 : 601,894.52 = 242,563.45 : x
  2. Step 2: Convert to fraction form
    436,153.05/601,894.52 = 242,563.45/x
  3. Step 3: Cross multiply
    436,153.05x = 601,894.52 × 242,563.45
  4. Step 4: Simplify right side
    436,153.05x = 145,997,611,307.29
  5. Step 5: Solve for x
    x = 145,997,611,307.29/436,153.05
  6. Step 6: Final answer
    x = 334,739.40

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Double scale
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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.