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Finding the Fourth Proportional to 533,116.80, 801,424.80 and 376,430.40

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Solution

The fourth proportional to 533,116.80, 801,424.80 and 376,430.40 is: 565,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,116.80 : 801,424.80 = 376,430.40 : x
  2. Step 2: Convert to fraction form
    533,116.80/801,424.80 = 376,430.40/x
  3. Step 3: Cross multiply
    533,116.80x = 801,424.80 × 376,430.40
  4. Step 4: Simplify right side
    533,116.80x = 301,680,658,033.92
  5. Step 5: Solve for x
    x = 301,680,658,033.92/533,116.80
  6. Step 6: Final answer
    x = 565,880.98

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1.5x scale

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.