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Finding the Fourth Proportional to 317,435.56, 438,066.53 and 174,208.93

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Solution

The fourth proportional to 317,435.56, 438,066.53 and 174,208.93 is: 240,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,435.56 : 438,066.53 = 174,208.93 : x
  2. Step 2: Convert to fraction form
    317,435.56/438,066.53 = 174,208.93/x
  3. Step 3: Cross multiply
    317,435.56x = 438,066.53 × 174,208.93
  4. Step 4: Simplify right side
    317,435.56x = 76,315,100,147.19
  5. Step 5: Solve for x
    x = 76,315,100,147.19/317,435.56
  6. Step 6: Final answer
    x = 240,411.32

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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.