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Finding the Fourth Proportional to 597,809.80, 896,714.70 and 385,233.40

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Solution

The fourth proportional to 597,809.80, 896,714.70 and 385,233.40 is: 577,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,809.80 : 896,714.70 = 385,233.40 : x
  2. Step 2: Convert to fraction form
    597,809.80/896,714.70 = 385,233.40/x
  3. Step 3: Cross multiply
    597,809.80x = 896,714.70 × 385,233.40
  4. Step 4: Simplify right side
    597,809.80x = 345,444,452,710.98
  5. Step 5: Solve for x
    x = 345,444,452,710.98/597,809.80
  6. Step 6: Final answer
    x = 577,850.10

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Double scale
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Similar ratio
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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.