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Finding the Fourth Proportional to 346,071.20, 519,106.80 and 346,071.20

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Solution

The fourth proportional to 346,071.20, 519,106.80 and 346,071.20 is: 519,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,071.20 : 519,106.80 = 346,071.20 : x
  2. Step 2: Convert to fraction form
    346,071.20/519,106.80 = 346,071.20/x
  3. Step 3: Cross multiply
    346,071.20x = 519,106.80 × 346,071.20
  4. Step 4: Simplify right side
    346,071.20x = 179,647,913,204.16
  5. Step 5: Solve for x
    x = 179,647,913,204.16/346,071.20
  6. Step 6: Final answer
    x = 519,106.80

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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.