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Finding the Fourth Proportional to 317,775.64, 438,535.66 and 174,548.92

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Solution

The fourth proportional to 317,775.64, 438,535.66 and 174,548.92 is: 240,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,775.64 : 438,535.66 = 174,548.92 : x
  2. Step 2: Convert to fraction form
    317,775.64/438,535.66 = 174,548.92/x
  3. Step 3: Cross multiply
    317,775.64x = 438,535.66 × 174,548.92
  4. Step 4: Simplify right side
    317,775.64x = 76,545,925,834.49
  5. Step 5: Solve for x
    x = 76,545,925,834.49/317,775.64
  6. Step 6: Final answer
    x = 240,880.41

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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.