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Finding the Fourth Proportional to 452,303,610.40, 678,455,415.60 and 452,303,610.40

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Solution

The fourth proportional to 452,303,610.40, 678,455,415.60 and 452,303,610.40 is: 678,455,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,303,610.40 : 678,455,415.60 = 452,303,610.40 : x
  2. Step 2: Convert to fraction form
    452,303,610.40/678,455,415.60 = 452,303,610.40/x
  3. Step 3: Cross multiply
    452,303,610.40x = 678,455,415.60 × 452,303,610.40
  4. Step 4: Simplify right side
    452,303,610.40x = 306,867,833,971,312,448
  5. Step 5: Solve for x
    x = 306,867,833,971,312,448/452,303,610.40
  6. Step 6: Final answer
    x = 678,455,415.60

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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.