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Finding the Fourth Proportional to 651,918.46, 899,685.30 and 365,530.72

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Solution

The fourth proportional to 651,918.46, 899,685.30 and 365,530.72 is: 504,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,918.46 : 899,685.30 = 365,530.72 : x
  2. Step 2: Convert to fraction form
    651,918.46/899,685.30 = 365,530.72/x
  3. Step 3: Cross multiply
    651,918.46x = 899,685.30 × 365,530.72
  4. Step 4: Simplify right side
    651,918.46x = 328,862,615,482.42
  5. Step 5: Solve for x
    x = 328,862,615,482.42/651,918.46
  6. Step 6: Final answer
    x = 504,453.60

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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.