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Finding the Fourth Proportional to 461,602.50, 637,033.46 and 260,398.50

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Solution

The fourth proportional to 461,602.50, 637,033.46 and 260,398.50 is: 359,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,602.50 : 637,033.46 = 260,398.50 : x
  2. Step 2: Convert to fraction form
    461,602.50/637,033.46 = 260,398.50/x
  3. Step 3: Cross multiply
    461,602.50x = 637,033.46 × 260,398.50
  4. Step 4: Simplify right side
    461,602.50x = 165,882,556,131.82
  5. Step 5: Solve for x
    x = 165,882,556,131.82/461,602.50
  6. Step 6: Final answer
    x = 359,362.34

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1.5x scale

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.