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Finding the Fourth Proportional to 556,059.69, 767,341.80 and 301,405.41

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Solution

The fourth proportional to 556,059.69, 767,341.80 and 301,405.41 is: 415,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,059.69 : 767,341.80 = 301,405.41 : x
  2. Step 2: Convert to fraction form
    556,059.69/767,341.80 = 301,405.41/x
  3. Step 3: Cross multiply
    556,059.69x = 767,341.80 × 301,405.41
  4. Step 4: Simplify right side
    556,059.69x = 231,280,969,839.14
  5. Step 5: Solve for x
    x = 231,280,969,839.14/556,059.69
  6. Step 6: Final answer
    x = 415,928.31

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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.