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Finding the Fourth Proportional to 733,699.80, 1,100,549.70 and 670,714.20

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Solution

The fourth proportional to 733,699.80, 1,100,549.70 and 670,714.20 is: 1,006,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,699.80 : 1,100,549.70 = 670,714.20 : x
  2. Step 2: Convert to fraction form
    733,699.80/1,100,549.70 = 670,714.20/x
  3. Step 3: Cross multiply
    733,699.80x = 1,100,549.70 × 670,714.20
  4. Step 4: Simplify right side
    733,699.80x = 738,154,311,595.74
  5. Step 5: Solve for x
    x = 738,154,311,595.74/733,699.80
  6. Step 6: Final answer
    x = 1,006,071.30

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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.