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Finding the Fourth Proportional to 239,142,404.20, 358,075,877.10 and 239,142,404.20

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Solution

The fourth proportional to 239,142,404.20, 358,075,877.10 and 239,142,404.20 is: 358,075,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,142,404.20 : 358,075,877.10 = 239,142,404.20 : x
  2. Step 2: Convert to fraction form
    239,142,404.20/358,075,877.10 = 239,142,404.20/x
  3. Step 3: Cross multiply
    239,142,404.20x = 358,075,877.10 × 239,142,404.20
  4. Step 4: Simplify right side
    239,142,404.20x = 85,631,126,135,717,728
  5. Step 5: Solve for x
    x = 85,631,126,135,717,728/239,142,404.20
  6. Step 6: Final answer
    x = 358,075,877.10

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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.