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Finding the Fourth Proportional to 670,313.40, 924,724.26 and 593,910.42

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Solution

The fourth proportional to 670,313.40, 924,724.26 and 593,910.42 is: 819,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,313.40 : 924,724.26 = 593,910.42 : x
  2. Step 2: Convert to fraction form
    670,313.40/924,724.26 = 593,910.42/x
  3. Step 3: Cross multiply
    670,313.40x = 924,724.26 × 593,910.42
  4. Step 4: Simplify right side
    670,313.40x = 549,203,373,640.79
  5. Step 5: Solve for x
    x = 549,203,373,640.79/670,313.40
  6. Step 6: Final answer
    x = 819,323.28

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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.