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Finding the Fourth Proportional to 653,963.14, 902,495.87 and 367,482.55

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Solution

The fourth proportional to 653,963.14, 902,495.87 and 367,482.55 is: 507,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,963.14 : 902,495.87 = 367,482.55 : x
  2. Step 2: Convert to fraction form
    653,963.14/902,495.87 = 367,482.55/x
  3. Step 3: Cross multiply
    653,963.14x = 902,495.87 × 367,482.55
  4. Step 4: Simplify right side
    653,963.14x = 331,651,477,322.18
  5. Step 5: Solve for x
    x = 331,651,477,322.18/653,963.14
  6. Step 6: Final answer
    x = 507,140.93

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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.