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Finding the Fourth Proportional to 214,075,609.60, 300,310,515.20 and 214,075,609.60

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Solution

The fourth proportional to 214,075,609.60, 300,310,515.20 and 214,075,609.60 is: 300,310,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,075,609.60 : 300,310,515.20 = 214,075,609.60 : x
  2. Step 2: Convert to fraction form
    214,075,609.60/300,310,515.20 = 214,075,609.60/x
  3. Step 3: Cross multiply
    214,075,609.60x = 300,310,515.20 × 214,075,609.60
  4. Step 4: Simplify right side
    214,075,609.60x = 64,289,156,610,730,064
  5. Step 5: Solve for x
    x = 64,289,156,610,730,064/214,075,609.60
  6. Step 6: Final answer
    x = 300,310,515.20

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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.