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Finding the Fourth Proportional to 597,810.80, 896,716.20 and 385,234.40

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Solution

The fourth proportional to 597,810.80, 896,716.20 and 385,234.40 is: 577,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,810.80 : 896,716.20 = 385,234.40 : x
  2. Step 2: Convert to fraction form
    597,810.80/896,716.20 = 385,234.40/x
  3. Step 3: Cross multiply
    597,810.80x = 896,716.20 × 385,234.40
  4. Step 4: Simplify right side
    597,810.80x = 345,445,927,277.28
  5. Step 5: Solve for x
    x = 345,445,927,277.28/597,810.80
  6. Step 6: Final answer
    x = 577,851.60

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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.