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Finding the Fourth Proportional to 1,368,444, 1,888,393.32 and 748,237.80

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Solution

The fourth proportional to 1,368,444, 1,888,393.32 and 748,237.80 is: 1,032,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,444 : 1,888,393.32 = 748,237.80 : x
  2. Step 2: Convert to fraction form
    1,368,444/1,888,393.32 = 748,237.80/x
  3. Step 3: Cross multiply
    1,368,444x = 1,888,393.32 × 748,237.80
  4. Step 4: Simplify right side
    1,368,444x = 1,412,967,263,291.50
  5. Step 5: Solve for x
    x = 1,412,967,263,291.50/1,368,444
  6. Step 6: Final answer
    x = 1,032,535.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.