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Finding the Fourth Proportional to 702,352.85, 969,009.71 and 457,225.70

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Solution

The fourth proportional to 702,352.85, 969,009.71 and 457,225.70 is: 630,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,352.85 : 969,009.71 = 457,225.70 : x
  2. Step 2: Convert to fraction form
    702,352.85/969,009.71 = 457,225.70/x
  3. Step 3: Cross multiply
    702,352.85x = 969,009.71 × 457,225.70
  4. Step 4: Simplify right side
    702,352.85x = 443,056,143,097.94
  5. Step 5: Solve for x
    x = 443,056,143,097.94/702,352.85
  6. Step 6: Final answer
    x = 630,817.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.