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Finding the Fourth Proportional to 310,006.36, 427,779.26 and 174,009.14

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Solution

The fourth proportional to 310,006.36, 427,779.26 and 174,009.14 is: 240,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,006.36 : 427,779.26 = 174,009.14 : x
  2. Step 2: Convert to fraction form
    310,006.36/427,779.26 = 174,009.14/x
  3. Step 3: Cross multiply
    310,006.36x = 427,779.26 × 174,009.14
  4. Step 4: Simplify right side
    310,006.36x = 74,437,501,142.44
  5. Step 5: Solve for x
    x = 74,437,501,142.44/310,006.36
  6. Step 6: Final answer
    x = 240,116.05

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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.