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Finding the Fourth Proportional to 676,880.52, 934,095.08 and 375,074.52

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Solution

The fourth proportional to 676,880.52, 934,095.08 and 375,074.52 is: 517,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,880.52 : 934,095.08 = 375,074.52 : x
  2. Step 2: Convert to fraction form
    676,880.52/934,095.08 = 375,074.52/x
  3. Step 3: Cross multiply
    676,880.52x = 934,095.08 × 375,074.52
  4. Step 4: Simplify right side
    676,880.52x = 350,355,263,765.36
  5. Step 5: Solve for x
    x = 350,355,263,765.36/676,880.52
  6. Step 6: Final answer
    x = 517,602.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.