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Finding the Fourth Proportional to 445,492.40, 668,809.08 and 382,714.16

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Solution

The fourth proportional to 445,492.40, 668,809.08 and 382,714.16 is: 574,561.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,492.40 : 668,809.08 = 382,714.16 : x
  2. Step 2: Convert to fraction form
    445,492.40/668,809.08 = 382,714.16/x
  3. Step 3: Cross multiply
    445,492.40x = 668,809.08 × 382,714.16
  4. Step 4: Simplify right side
    445,492.40x = 255,962,705,252.57
  5. Step 5: Solve for x
    x = 255,962,705,252.57/445,492.40
  6. Step 6: Final answer
    x = 574,561.33

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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.