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Finding the Fourth Proportional to 468,192.12, 646,103.34 and 253,332.60

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Solution

The fourth proportional to 468,192.12, 646,103.34 and 253,332.60 is: 349,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,192.12 : 646,103.34 = 253,332.60 : x
  2. Step 2: Convert to fraction form
    468,192.12/646,103.34 = 253,332.60/x
  3. Step 3: Cross multiply
    468,192.12x = 646,103.34 × 253,332.60
  4. Step 4: Simplify right side
    468,192.12x = 163,679,038,990.88
  5. Step 5: Solve for x
    x = 163,679,038,990.88/468,192.12
  6. Step 6: Final answer
    x = 349,598.02

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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.