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Finding the Fourth Proportional to 201,018,301.20, 301,527,451.80 and 180,610,966.80

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Solution

The fourth proportional to 201,018,301.20, 301,527,451.80 and 180,610,966.80 is: 270,916,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,018,301.20 : 301,527,451.80 = 180,610,966.80 : x
  2. Step 2: Convert to fraction form
    201,018,301.20/301,527,451.80 = 180,610,966.80/x
  3. Step 3: Cross multiply
    201,018,301.20x = 301,527,451.80 × 180,610,966.80
  4. Step 4: Simplify right side
    201,018,301.20x = 54,459,164,586,338,408
  5. Step 5: Solve for x
    x = 54,459,164,586,338,408/201,018,301.20
  6. Step 6: Final answer
    x = 270,916,450.20

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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.