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Finding the Fourth Proportional to 550,349.10, 759,159.54 and 346,076.82

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Solution

The fourth proportional to 550,349.10, 759,159.54 and 346,076.82 is: 477,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,349.10 : 759,159.54 = 346,076.82 : x
  2. Step 2: Convert to fraction form
    550,349.10/759,159.54 = 346,076.82/x
  3. Step 3: Cross multiply
    550,349.10x = 759,159.54 × 346,076.82
  4. Step 4: Simplify right side
    550,349.10x = 262,727,519,475.86
  5. Step 5: Solve for x
    x = 262,727,519,475.86/550,349.10
  6. Step 6: Final answer
    x = 477,383.39

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1.5x scale

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.