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Finding the Fourth Proportional to 707,236.68, 976,007.70 and 435,461.37

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Solution

The fourth proportional to 707,236.68, 976,007.70 and 435,461.37 is: 600,949.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,236.68 : 976,007.70 = 435,461.37 : x
  2. Step 2: Convert to fraction form
    707,236.68/976,007.70 = 435,461.37/x
  3. Step 3: Cross multiply
    707,236.68x = 976,007.70 × 435,461.37
  4. Step 4: Simplify right side
    707,236.68x = 425,013,650,172.55
  5. Step 5: Solve for x
    x = 425,013,650,172.55/707,236.68
  6. Step 6: Final answer
    x = 600,949.67

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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.