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Finding the Fourth Proportional to 1,977,502.54, 2,966,128.02 and 630,631.30

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Solution

The fourth proportional to 1,977,502.54, 2,966,128.02 and 630,631.30 is: 945,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,502.54 : 2,966,128.02 = 630,631.30 : x
  2. Step 2: Convert to fraction form
    1,977,502.54/2,966,128.02 = 630,631.30/x
  3. Step 3: Cross multiply
    1,977,502.54x = 2,966,128.02 × 630,631.30
  4. Step 4: Simplify right side
    1,977,502.54x = 1,870,533,169,219.03
  5. Step 5: Solve for x
    x = 1,870,533,169,219.03/1,977,502.54
  6. Step 6: Final answer
    x = 945,906.84

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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.