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Finding the Fourth Proportional to 213,717,614.40, 320,576,421.60 and 213,717,614.40

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Solution

The fourth proportional to 213,717,614.40, 320,576,421.60 and 213,717,614.40 is: 320,576,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,717,614.40 : 320,576,421.60 = 213,717,614.40 : x
  2. Step 2: Convert to fraction form
    213,717,614.40/320,576,421.60 = 213,717,614.40/x
  3. Step 3: Cross multiply
    213,717,614.40x = 320,576,421.60 × 213,717,614.40
  4. Step 4: Simplify right side
    213,717,614.40x = 68,512,828,057,240,640
  5. Step 5: Solve for x
    x = 68,512,828,057,240,640/213,717,614.40
  6. Step 6: Final answer
    x = 320,576,421.60

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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.