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Finding the Fourth Proportional to 382,117.80, 571,815.90 and 332,740.20

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Solution

The fourth proportional to 382,117.80, 571,815.90 and 332,740.20 is: 497,925.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,117.80 : 571,815.90 = 332,740.20 : x
  2. Step 2: Convert to fraction form
    382,117.80/571,815.90 = 332,740.20/x
  3. Step 3: Cross multiply
    382,117.80x = 571,815.90 × 332,740.20
  4. Step 4: Simplify right side
    382,117.80x = 190,266,136,929.18
  5. Step 5: Solve for x
    x = 190,266,136,929.18/382,117.80
  6. Step 6: Final answer
    x = 497,925.34

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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.