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Finding the Fourth Proportional to 1,048,295.70, 1,572,443.55 and 1,030,799.70

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Solution

The fourth proportional to 1,048,295.70, 1,572,443.55 and 1,030,799.70 is: 1,546,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,295.70 : 1,572,443.55 = 1,030,799.70 : x
  2. Step 2: Convert to fraction form
    1,048,295.70/1,572,443.55 = 1,030,799.70/x
  3. Step 3: Cross multiply
    1,048,295.70x = 1,572,443.55 × 1,030,799.70
  4. Step 4: Simplify right side
    1,048,295.70x = 1,620,874,339,606.94
  5. Step 5: Solve for x
    x = 1,620,874,339,606.94/1,048,295.70
  6. Step 6: Final answer
    x = 1,546,199.55

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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.