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Finding the Fourth Proportional to 488,852.55, 673,354.62 and 345,363.48

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Solution

The fourth proportional to 488,852.55, 673,354.62 and 345,363.48 is: 475,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,852.55 : 673,354.62 = 345,363.48 : x
  2. Step 2: Convert to fraction form
    488,852.55/673,354.62 = 345,363.48/x
  3. Step 3: Cross multiply
    488,852.55x = 673,354.62 × 345,363.48
  4. Step 4: Simplify right side
    488,852.55x = 232,552,094,837.28
  5. Step 5: Solve for x
    x = 232,552,094,837.28/488,852.55
  6. Step 6: Final answer
    x = 475,710.10

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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.