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Finding the Fourth Proportional to 651,056.65, 898,458.05 and 360,687.08

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Solution

The fourth proportional to 651,056.65, 898,458.05 and 360,687.08 is: 497,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,056.65 : 898,458.05 = 360,687.08 : x
  2. Step 2: Convert to fraction form
    651,056.65/898,458.05 = 360,687.08/x
  3. Step 3: Cross multiply
    651,056.65x = 898,458.05 × 360,687.08
  4. Step 4: Simplify right side
    651,056.65x = 324,062,208,753.56
  5. Step 5: Solve for x
    x = 324,062,208,753.56/651,056.65
  6. Step 6: Final answer
    x = 497,748.10

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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.