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Finding the Fourth Proportional to 556,182.50, 767,537.74 and 326,749.34

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Solution

The fourth proportional to 556,182.50, 767,537.74 and 326,749.34 is: 450,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,182.50 : 767,537.74 = 326,749.34 : x
  2. Step 2: Convert to fraction form
    556,182.50/767,537.74 = 326,749.34/x
  3. Step 3: Cross multiply
    556,182.50x = 767,537.74 × 326,749.34
  4. Step 4: Simplify right side
    556,182.50x = 250,792,448,193.80
  5. Step 5: Solve for x
    x = 250,792,448,193.80/556,182.50
  6. Step 6: Final answer
    x = 450,917.55

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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.