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Finding the Fourth Proportional to 317,602.56, 438,266.52 and 174,362.16

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Solution

The fourth proportional to 317,602.56, 438,266.52 and 174,362.16 is: 240,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,602.56 : 438,266.52 = 174,362.16 : x
  2. Step 2: Convert to fraction form
    317,602.56/438,266.52 = 174,362.16/x
  3. Step 3: Cross multiply
    317,602.56x = 438,266.52 × 174,362.16
  4. Step 4: Simplify right side
    317,602.56x = 76,417,097,082.88
  5. Step 5: Solve for x
    x = 76,417,097,082.88/317,602.56
  6. Step 6: Final answer
    x = 240,606.05

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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.