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Finding the Fourth Proportional to 604,987.80, 907,481.70 and 559,368.60

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Solution

The fourth proportional to 604,987.80, 907,481.70 and 559,368.60 is: 839,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,987.80 : 907,481.70 = 559,368.60 : x
  2. Step 2: Convert to fraction form
    604,987.80/907,481.70 = 559,368.60/x
  3. Step 3: Cross multiply
    604,987.80x = 907,481.70 × 559,368.60
  4. Step 4: Simplify right side
    604,987.80x = 507,616,768,054.62
  5. Step 5: Solve for x
    x = 507,616,768,054.62/604,987.80
  6. Step 6: Final answer
    x = 839,052.90

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Similar ratio
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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.