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Finding the Fourth Proportional to 560,985.63, 841,472.37 and 448,136.43

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Solution

The fourth proportional to 560,985.63, 841,472.37 and 448,136.43 is: 672,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,985.63 : 841,472.37 = 448,136.43 : x
  2. Step 2: Convert to fraction form
    560,985.63/841,472.37 = 448,136.43/x
  3. Step 3: Cross multiply
    560,985.63x = 841,472.37 × 448,136.43
  4. Step 4: Simplify right side
    560,985.63x = 377,094,423,835.44
  5. Step 5: Solve for x
    x = 377,094,423,835.44/560,985.63
  6. Step 6: Final answer
    x = 672,199.79

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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.