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Finding the Fourth Proportional to 4,732,924.80, 7,098,004.80 and 1,699,939.20

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Solution

The fourth proportional to 4,732,924.80, 7,098,004.80 and 1,699,939.20 is: 2,549,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,732,924.80 : 7,098,004.80 = 1,699,939.20 : x
  2. Step 2: Convert to fraction form
    4,732,924.80/7,098,004.80 = 1,699,939.20/x
  3. Step 3: Cross multiply
    4,732,924.80x = 7,098,004.80 × 1,699,939.20
  4. Step 4: Simplify right side
    4,732,924.80x = 12,066,176,601,308.16
  5. Step 5: Solve for x
    x = 12,066,176,601,308.16/4,732,924.80
  6. Step 6: Final answer
    x = 2,549,412.28

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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.