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Finding the Fourth Proportional to 607,530.70, 911,296.05 and 341,810.20

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Solution

The fourth proportional to 607,530.70, 911,296.05 and 341,810.20 is: 512,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,530.70 : 911,296.05 = 341,810.20 : x
  2. Step 2: Convert to fraction form
    607,530.70/911,296.05 = 341,810.20/x
  3. Step 3: Cross multiply
    607,530.70x = 911,296.05 × 341,810.20
  4. Step 4: Simplify right side
    607,530.70x = 311,490,285,109.71
  5. Step 5: Solve for x
    x = 311,490,285,109.71/607,530.70
  6. Step 6: Final answer
    x = 512,715.30

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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.