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Finding the Fourth Proportional to 317,530.00, 438,192.81 and 174,291.22

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Solution

The fourth proportional to 317,530.00, 438,192.81 and 174,291.22 is: 240,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,530.00 : 438,192.81 = 174,291.22 : x
  2. Step 2: Convert to fraction form
    317,530.00/438,192.81 = 174,291.22/x
  3. Step 3: Cross multiply
    317,530.00x = 438,192.81 × 174,291.22
  4. Step 4: Simplify right side
    317,530.00x = 76,373,156,387.71
  5. Step 5: Solve for x
    x = 76,373,156,387.71/317,530.00
  6. Step 6: Final answer
    x = 240,522.65

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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.