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Finding the Fourth Proportional to 452,803.20, 634,857.60 and 452,803.20

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Solution

The fourth proportional to 452,803.20, 634,857.60 and 452,803.20 is: 634,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,803.20 : 634,857.60 = 452,803.20 : x
  2. Step 2: Convert to fraction form
    452,803.20/634,857.60 = 452,803.20/x
  3. Step 3: Cross multiply
    452,803.20x = 634,857.60 × 452,803.20
  4. Step 4: Simplify right side
    452,803.20x = 287,465,552,824.32
  5. Step 5: Solve for x
    x = 287,465,552,824.32/452,803.20
  6. Step 6: Final answer
    x = 634,857.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.