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Finding the Fourth Proportional to 449,570.01, 671,075.44 and 392,818.42

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Solution

The fourth proportional to 449,570.01, 671,075.44 and 392,818.42 is: 586,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,570.01 : 671,075.44 = 392,818.42 : x
  2. Step 2: Convert to fraction form
    449,570.01/671,075.44 = 392,818.42/x
  3. Step 3: Cross multiply
    449,570.01x = 671,075.44 × 392,818.42
  4. Step 4: Simplify right side
    449,570.01x = 263,610,793,898.40
  5. Step 5: Solve for x
    x = 263,610,793,898.40/449,570.01
  6. Step 6: Final answer
    x = 586,362.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.