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Finding the Fourth Proportional to 572,240.69, 858,393.84 and 151,505.63

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Solution

The fourth proportional to 572,240.69, 858,393.84 and 151,505.63 is: 227,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,240.69 : 858,393.84 = 151,505.63 : x
  2. Step 2: Convert to fraction form
    572,240.69/858,393.84 = 151,505.63/x
  3. Step 3: Cross multiply
    572,240.69x = 858,393.84 × 151,505.63
  4. Step 4: Simplify right side
    572,240.69x = 130,051,495,225.35
  5. Step 5: Solve for x
    x = 130,051,495,225.35/572,240.69
  6. Step 6: Final answer
    x = 227,267.12

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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.