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Finding the Fourth Proportional to 648,633.40, 970,325.70 and 569,901.40

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Solution

The fourth proportional to 648,633.40, 970,325.70 and 569,901.40 is: 852,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,633.40 : 970,325.70 = 569,901.40 : x
  2. Step 2: Convert to fraction form
    648,633.40/970,325.70 = 569,901.40/x
  3. Step 3: Cross multiply
    648,633.40x = 970,325.70 × 569,901.40
  4. Step 4: Simplify right side
    648,633.40x = 552,989,974,885.98
  5. Step 5: Solve for x
    x = 552,989,974,885.98/648,633.40
  6. Step 6: Final answer
    x = 852,546.25

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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.