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Finding the Fourth Proportional to 375,338,678.33, 563,038,655.75 and 188,496,530.15

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Solution

The fourth proportional to 375,338,678.33, 563,038,655.75 and 188,496,530.15 is: 282,760,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,338,678.33 : 563,038,655.75 = 188,496,530.15 : x
  2. Step 2: Convert to fraction form
    375,338,678.33/563,038,655.75 = 188,496,530.15/x
  3. Step 3: Cross multiply
    375,338,678.33x = 563,038,655.75 × 188,496,530.15
  4. Step 4: Simplify right side
    375,338,678.33x = 106,130,832,945,437,680
  5. Step 5: Solve for x
    x = 106,130,832,945,437,680/375,338,678.33
  6. Step 6: Final answer
    x = 282,760,181.87

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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.