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Finding the Fourth Proportional to 738,343.80, 1,036,830.60 and 738,343.80

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Solution

The fourth proportional to 738,343.80, 1,036,830.60 and 738,343.80 is: 1,036,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,343.80 : 1,036,830.60 = 738,343.80 : x
  2. Step 2: Convert to fraction form
    738,343.80/1,036,830.60 = 738,343.80/x
  3. Step 3: Cross multiply
    738,343.80x = 1,036,830.60 × 738,343.80
  4. Step 4: Simplify right side
    738,343.80x = 765,537,445,160.28
  5. Step 5: Solve for x
    x = 765,537,445,160.28/738,343.80
  6. Step 6: Final answer
    x = 1,036,830.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.