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Finding the Fourth Proportional to 524,953,820.80, 787,430,731.20 and 524,953,820.80

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Solution

The fourth proportional to 524,953,820.80, 787,430,731.20 and 524,953,820.80 is: 787,430,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,953,820.80 : 787,430,731.20 = 524,953,820.80 : x
  2. Step 2: Convert to fraction form
    524,953,820.80/787,430,731.20 = 524,953,820.80/x
  3. Step 3: Cross multiply
    524,953,820.80x = 787,430,731.20 × 524,953,820.80
  4. Step 4: Simplify right side
    524,953,820.80x = 413,364,770,958,777,792
  5. Step 5: Solve for x
    x = 413,364,770,958,777,792/524,953,820.80
  6. Step 6: Final answer
    x = 787,430,731.20

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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.