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Finding the Fourth Proportional to 556,347.20, 767,759.34 and 301,698.32

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Solution

The fourth proportional to 556,347.20, 767,759.34 and 301,698.32 is: 416,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,347.20 : 767,759.34 = 301,698.32 : x
  2. Step 2: Convert to fraction form
    556,347.20/767,759.34 = 301,698.32/x
  3. Step 3: Cross multiply
    556,347.20x = 767,759.34 × 301,698.32
  4. Step 4: Simplify right side
    556,347.20x = 231,631,703,042.31
  5. Step 5: Solve for x
    x = 231,631,703,042.31/556,347.20
  6. Step 6: Final answer
    x = 416,343.79

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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.