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Finding the Fourth Proportional to 375,696,519.80, 563,544,779.70 and 103,066,849.40

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Solution

The fourth proportional to 375,696,519.80, 563,544,779.70 and 103,066,849.40 is: 154,600,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,696,519.80 : 563,544,779.70 = 103,066,849.40 : x
  2. Step 2: Convert to fraction form
    375,696,519.80/563,544,779.70 = 103,066,849.40/x
  3. Step 3: Cross multiply
    375,696,519.80x = 563,544,779.70 × 103,066,849.40
  4. Step 4: Simplify right side
    375,696,519.80x = 58,082,784,939,496,088
  5. Step 5: Solve for x
    x = 58,082,784,939,496,088/375,696,519.80
  6. Step 6: Final answer
    x = 154,600,274.10

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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.