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Finding the Fourth Proportional to 317,760.63, 476,598.48 and 118,053.78

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Solution

The fourth proportional to 317,760.63, 476,598.48 and 118,053.78 is: 177,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,760.63 : 476,598.48 = 118,053.78 : x
  2. Step 2: Convert to fraction form
    317,760.63/476,598.48 = 118,053.78/x
  3. Step 3: Cross multiply
    317,760.63x = 476,598.48 × 118,053.78
  4. Step 4: Simplify right side
    317,760.63x = 56,264,252,106.25
  5. Step 5: Solve for x
    x = 56,264,252,106.25/317,760.63
  6. Step 6: Final answer
    x = 177,064.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.