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Finding the Fourth Proportional to 601,389.12, 829,602.34 and 371,873.04

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Solution

The fourth proportional to 601,389.12, 829,602.34 and 371,873.04 is: 512,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,389.12 : 829,602.34 = 371,873.04 : x
  2. Step 2: Convert to fraction form
    601,389.12/829,602.34 = 371,873.04/x
  3. Step 3: Cross multiply
    601,389.12x = 829,602.34 × 371,873.04
  4. Step 4: Simplify right side
    601,389.12x = 308,506,744,166.91
  5. Step 5: Solve for x
    x = 308,506,744,166.91/601,389.12
  6. Step 6: Final answer
    x = 512,990.23

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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.