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Finding the Fourth Proportional to 294,555.78, 406,484.37 and 179,810.28

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Solution

The fourth proportional to 294,555.78, 406,484.37 and 179,810.28 is: 248,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,555.78 : 406,484.37 = 179,810.28 : x
  2. Step 2: Convert to fraction form
    294,555.78/406,484.37 = 179,810.28/x
  3. Step 3: Cross multiply
    294,555.78x = 406,484.37 × 179,810.28
  4. Step 4: Simplify right side
    294,555.78x = 73,090,068,385.32
  5. Step 5: Solve for x
    x = 73,090,068,385.32/294,555.78
  6. Step 6: Final answer
    x = 248,136.60

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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.