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Finding the Fourth Proportional to 707,189.92, 975,908.46 and 384,907.12

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Solution

The fourth proportional to 707,189.92, 975,908.46 and 384,907.12 is: 531,164.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,189.92 : 975,908.46 = 384,907.12 : x
  2. Step 2: Convert to fraction form
    707,189.92/975,908.46 = 384,907.12/x
  3. Step 3: Cross multiply
    707,189.92x = 975,908.46 × 384,907.12
  4. Step 4: Simplify right side
    707,189.92x = 375,634,114,722.24
  5. Step 5: Solve for x
    x = 375,634,114,722.24/707,189.92
  6. Step 6: Final answer
    x = 531,164.41

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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.