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Finding the Fourth Proportional to 630,845.40, 943,964.10 and 464,957.40

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Solution

The fourth proportional to 630,845.40, 943,964.10 and 464,957.40 is: 695,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,845.40 : 943,964.10 = 464,957.40 : x
  2. Step 2: Convert to fraction form
    630,845.40/943,964.10 = 464,957.40/x
  3. Step 3: Cross multiply
    630,845.40x = 943,964.10 × 464,957.40
  4. Step 4: Simplify right side
    630,845.40x = 438,903,093,629.34
  5. Step 5: Solve for x
    x = 438,903,093,629.34/630,845.40
  6. Step 6: Final answer
    x = 695,737.96

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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.