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Finding the Fourth Proportional to 346,035.90, 518,069.70 and 346,035.90

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Solution

The fourth proportional to 346,035.90, 518,069.70 and 346,035.90 is: 518,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,035.90 : 518,069.70 = 346,035.90 : x
  2. Step 2: Convert to fraction form
    346,035.90/518,069.70 = 346,035.90/x
  3. Step 3: Cross multiply
    346,035.90x = 518,069.70 × 346,035.90
  4. Step 4: Simplify right side
    346,035.90x = 179,270,714,902.23
  5. Step 5: Solve for x
    x = 179,270,714,902.23/346,035.90
  6. Step 6: Final answer
    x = 518,069.70

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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.