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Finding the Fourth Proportional to 291,909.19, 402,846.64 and 184,440.01

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Solution

The fourth proportional to 291,909.19, 402,846.64 and 184,440.01 is: 254,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,909.19 : 402,846.64 = 184,440.01 : x
  2. Step 2: Convert to fraction form
    291,909.19/402,846.64 = 184,440.01/x
  3. Step 3: Cross multiply
    291,909.19x = 402,846.64 × 184,440.01
  4. Step 4: Simplify right side
    291,909.19x = 74,301,038,310.07
  5. Step 5: Solve for x
    x = 74,301,038,310.07/291,909.19
  6. Step 6: Final answer
    x = 254,534.77

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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.