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Finding the Fourth Proportional to 535,694.90, 798,809.43 and 530,886.74

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Solution

The fourth proportional to 535,694.90, 798,809.43 and 530,886.74 is: 791,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,694.90 : 798,809.43 = 530,886.74 : x
  2. Step 2: Convert to fraction form
    535,694.90/798,809.43 = 530,886.74/x
  3. Step 3: Cross multiply
    535,694.90x = 798,809.43 × 530,886.74
  4. Step 4: Simplify right side
    535,694.90x = 424,077,331,519.53
  5. Step 5: Solve for x
    x = 424,077,331,519.53/535,694.90
  6. Step 6: Final answer
    x = 791,639.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.