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Finding the Fourth Proportional to 702,925.10, 1,052,954.05 and 435,865.90

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Solution

The fourth proportional to 702,925.10, 1,052,954.05 and 435,865.90 is: 652,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,925.10 : 1,052,954.05 = 435,865.90 : x
  2. Step 2: Convert to fraction form
    702,925.10/1,052,954.05 = 435,865.90/x
  3. Step 3: Cross multiply
    702,925.10x = 1,052,954.05 × 435,865.90
  4. Step 4: Simplify right side
    702,925.10x = 458,946,764,661.90
  5. Step 5: Solve for x
    x = 458,946,764,661.90/702,925.10
  6. Step 6: Final answer
    x = 652,909.91

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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.