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Finding the Fourth Proportional to 604,055.80, 906,342.90 and 308,567.80

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Solution

The fourth proportional to 604,055.80, 906,342.90 and 308,567.80 is: 462,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,055.80 : 906,342.90 = 308,567.80 : x
  2. Step 2: Convert to fraction form
    604,055.80/906,342.90 = 308,567.80/x
  3. Step 3: Cross multiply
    604,055.80x = 906,342.90 × 308,567.80
  4. Step 4: Simplify right side
    604,055.80x = 279,668,234,698.62
  5. Step 5: Solve for x
    x = 279,668,234,698.62/604,055.80
  6. Step 6: Final answer
    x = 462,984.11

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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.