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Finding the Fourth Proportional to 613,779.37, 847,041.94 and 341,847.39

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Solution

The fourth proportional to 613,779.37, 847,041.94 and 341,847.39 is: 471,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,779.37 : 847,041.94 = 341,847.39 : x
  2. Step 2: Convert to fraction form
    613,779.37/847,041.94 = 341,847.39/x
  3. Step 3: Cross multiply
    613,779.37x = 847,041.94 × 341,847.39
  4. Step 4: Simplify right side
    613,779.37x = 289,559,075,248.64
  5. Step 5: Solve for x
    x = 289,559,075,248.64/613,779.37
  6. Step 6: Final answer
    x = 471,764.10

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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.