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Finding the Fourth Proportional to 677,070.63, 934,357.46 and 375,264.63

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Solution

The fourth proportional to 677,070.63, 934,357.46 and 375,264.63 is: 517,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,070.63 : 934,357.46 = 375,264.63 : x
  2. Step 2: Convert to fraction form
    677,070.63/934,357.46 = 375,264.63/x
  3. Step 3: Cross multiply
    677,070.63x = 934,357.46 × 375,264.63
  4. Step 4: Simplify right side
    677,070.63x = 350,631,306,514.64
  5. Step 5: Solve for x
    x = 350,631,306,514.64/677,070.63
  6. Step 6: Final answer
    x = 517,865.18

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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.