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Finding the Fourth Proportional to 370,222.40, 519,886 and 370,222.40

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Solution

The fourth proportional to 370,222.40, 519,886 and 370,222.40 is: 519,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,222.40 : 519,886 = 370,222.40 : x
  2. Step 2: Convert to fraction form
    370,222.40/519,886 = 370,222.40/x
  3. Step 3: Cross multiply
    370,222.40x = 519,886 × 370,222.40
  4. Step 4: Simplify right side
    370,222.40x = 192,473,442,646.40
  5. Step 5: Solve for x
    x = 192,473,442,646.40/370,222.40
  6. Step 6: Final answer
    x = 519,886.00

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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.