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Finding the Fourth Proportional to 605,903.10, 908,271.45 and 470,892.30

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Solution

The fourth proportional to 605,903.10, 908,271.45 and 470,892.30 is: 705,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,903.10 : 908,271.45 = 470,892.30 : x
  2. Step 2: Convert to fraction form
    605,903.10/908,271.45 = 470,892.30/x
  3. Step 3: Cross multiply
    605,903.10x = 908,271.45 × 470,892.30
  4. Step 4: Simplify right side
    605,903.10x = 427,698,032,114.84
  5. Step 5: Solve for x
    x = 427,698,032,114.84/605,903.10
  6. Step 6: Final answer
    x = 705,885.20

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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.