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Finding the Fourth Proportional to 382,461.85, 573,728.82 and 112,590.19

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Solution

The fourth proportional to 382,461.85, 573,728.82 and 112,590.19 is: 168,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,461.85 : 573,728.82 = 112,590.19 : x
  2. Step 2: Convert to fraction form
    382,461.85/573,728.82 = 112,590.19/x
  3. Step 3: Cross multiply
    382,461.85x = 573,728.82 × 112,590.19
  4. Step 4: Simplify right side
    382,461.85x = 64,596,236,852.28
  5. Step 5: Solve for x
    x = 64,596,236,852.28/382,461.85
  6. Step 6: Final answer
    x = 168,895.90

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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.