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Finding the Fourth Proportional to 549,235.37, 758,024.37 and 307,533.51

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Solution

The fourth proportional to 549,235.37, 758,024.37 and 307,533.51 is: 424,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,235.37 : 758,024.37 = 307,533.51 : x
  2. Step 2: Convert to fraction form
    549,235.37/758,024.37 = 307,533.51/x
  3. Step 3: Cross multiply
    549,235.37x = 758,024.37 × 307,533.51
  4. Step 4: Simplify right side
    549,235.37x = 233,117,895,171.64
  5. Step 5: Solve for x
    x = 233,117,895,171.64/549,235.37
  6. Step 6: Final answer
    x = 424,440.79

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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.