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Finding the Fourth Proportional to 264,042.45, 395,407.58 and 211,554.45

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Solution

The fourth proportional to 264,042.45, 395,407.58 and 211,554.45 is: 316,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,042.45 : 395,407.58 = 211,554.45 : x
  2. Step 2: Convert to fraction form
    264,042.45/395,407.58 = 211,554.45/x
  3. Step 3: Cross multiply
    264,042.45x = 395,407.58 × 211,554.45
  4. Step 4: Simplify right side
    264,042.45x = 83,650,232,054.96
  5. Step 5: Solve for x
    x = 83,650,232,054.96/264,042.45
  6. Step 6: Final answer
    x = 316,806.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.