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Finding the Fourth Proportional to 554,307.40, 831,461.10 and 464,626.73

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Solution

The fourth proportional to 554,307.40, 831,461.10 and 464,626.73 is: 696,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,307.40 : 831,461.10 = 464,626.73 : x
  2. Step 2: Convert to fraction form
    554,307.40/831,461.10 = 464,626.73/x
  3. Step 3: Cross multiply
    554,307.40x = 831,461.10 × 464,626.73
  4. Step 4: Simplify right side
    554,307.40x = 386,319,052,015.20
  5. Step 5: Solve for x
    x = 386,319,052,015.20/554,307.40
  6. Step 6: Final answer
    x = 696,940.10

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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.