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Finding the Fourth Proportional to 675,072.80, 1,011,442.80 and 570,096.80

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Solution

The fourth proportional to 675,072.80, 1,011,442.80 and 570,096.80 is: 854,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,072.80 : 1,011,442.80 = 570,096.80 : x
  2. Step 2: Convert to fraction form
    675,072.80/1,011,442.80 = 570,096.80/x
  3. Step 3: Cross multiply
    675,072.80x = 1,011,442.80 × 570,096.80
  4. Step 4: Simplify right side
    675,072.80x = 576,620,303,663.04
  5. Step 5: Solve for x
    x = 576,620,303,663.04/675,072.80
  6. Step 6: Final answer
    x = 854,160.18

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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.