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Finding the Fourth Proportional to 993,608.40, 1,490,412.60 and 950,062.80

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Solution

The fourth proportional to 993,608.40, 1,490,412.60 and 950,062.80 is: 1,425,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,608.40 : 1,490,412.60 = 950,062.80 : x
  2. Step 2: Convert to fraction form
    993,608.40/1,490,412.60 = 950,062.80/x
  3. Step 3: Cross multiply
    993,608.40x = 1,490,412.60 × 950,062.80
  4. Step 4: Simplify right side
    993,608.40x = 1,415,985,567,911.28
  5. Step 5: Solve for x
    x = 1,415,985,567,911.28/993,608.40
  6. Step 6: Final answer
    x = 1,425,094.20

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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.