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Finding the Fourth Proportional to 362,128.10, 508,029.10 and 362,128.10

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Solution

The fourth proportional to 362,128.10, 508,029.10 and 362,128.10 is: 508,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,128.10 : 508,029.10 = 362,128.10 : x
  2. Step 2: Convert to fraction form
    362,128.10/508,029.10 = 362,128.10/x
  3. Step 3: Cross multiply
    362,128.10x = 508,029.10 × 362,128.10
  4. Step 4: Simplify right side
    362,128.10x = 183,971,612,727.71
  5. Step 5: Solve for x
    x = 183,971,612,727.71/362,128.10
  6. Step 6: Final answer
    x = 508,029.10

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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.