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Finding the Fourth Proportional to 977,425.11, 1,466,381.82 and 689,798.16

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Solution

The fourth proportional to 977,425.11, 1,466,381.82 and 689,798.16 is: 1,034,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,425.11 : 1,466,381.82 = 689,798.16 : x
  2. Step 2: Convert to fraction form
    977,425.11/1,466,381.82 = 689,798.16/x
  3. Step 3: Cross multiply
    977,425.11x = 1,466,381.82 × 689,798.16
  4. Step 4: Simplify right side
    977,425.11x = 1,011,507,483,032.17
  5. Step 5: Solve for x
    x = 1,011,507,483,032.17/977,425.11
  6. Step 6: Final answer
    x = 1,034,869.54

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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.