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Finding the Fourth Proportional to 488,512.80, 732,769.20 and 346,795.20

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Solution

The fourth proportional to 488,512.80, 732,769.20 and 346,795.20 is: 520,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,512.80 : 732,769.20 = 346,795.20 : x
  2. Step 2: Convert to fraction form
    488,512.80/732,769.20 = 346,795.20/x
  3. Step 3: Cross multiply
    488,512.80x = 732,769.20 × 346,795.20
  4. Step 4: Simplify right side
    488,512.80x = 254,120,841,267.84
  5. Step 5: Solve for x
    x = 254,120,841,267.84/488,512.80
  6. Step 6: Final answer
    x = 520,192.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.