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Finding the Fourth Proportional to 601,269.40, 901,904.10 and 372,946.60

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Solution

The fourth proportional to 601,269.40, 901,904.10 and 372,946.60 is: 559,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,269.40 : 901,904.10 = 372,946.60 : x
  2. Step 2: Convert to fraction form
    601,269.40/901,904.10 = 372,946.60/x
  3. Step 3: Cross multiply
    601,269.40x = 901,904.10 × 372,946.60
  4. Step 4: Simplify right side
    601,269.40x = 336,362,067,621.06
  5. Step 5: Solve for x
    x = 336,362,067,621.06/601,269.40
  6. Step 6: Final answer
    x = 559,419.90

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Double scale
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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.