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Finding the Fourth Proportional to 497,152.80, 745,729.20 and 493,653.60

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Solution

The fourth proportional to 497,152.80, 745,729.20 and 493,653.60 is: 740,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,152.80 : 745,729.20 = 493,653.60 : x
  2. Step 2: Convert to fraction form
    497,152.80/745,729.20 = 493,653.60/x
  3. Step 3: Cross multiply
    497,152.80x = 745,729.20 × 493,653.60
  4. Step 4: Simplify right side
    497,152.80x = 368,131,904,205.12
  5. Step 5: Solve for x
    x = 368,131,904,205.12/497,152.80
  6. Step 6: Final answer
    x = 740,480.40

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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.