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Finding the Fourth Proportional to 604,996.20, 908,369.10 and 456,280.20

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Solution

The fourth proportional to 604,996.20, 908,369.10 and 456,280.20 is: 685,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,996.20 : 908,369.10 = 456,280.20 : x
  2. Step 2: Convert to fraction form
    604,996.20/908,369.10 = 456,280.20/x
  3. Step 3: Cross multiply
    604,996.20x = 908,369.10 × 456,280.20
  4. Step 4: Simplify right side
    604,996.20x = 414,470,834,621.82
  5. Step 5: Solve for x
    x = 414,470,834,621.82/604,996.20
  6. Step 6: Final answer
    x = 685,080.06

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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.