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Finding the Fourth Proportional to 693,189, 956,603.38 and 375,237

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Solution

The fourth proportional to 693,189, 956,603.38 and 375,237 is: 517,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,189 : 956,603.38 = 375,237 : x
  2. Step 2: Convert to fraction form
    693,189/956,603.38 = 375,237/x
  3. Step 3: Cross multiply
    693,189x = 956,603.38 × 375,237
  4. Step 4: Simplify right side
    693,189x = 358,952,982,501.06
  5. Step 5: Solve for x
    x = 358,952,982,501.06/693,189
  6. Step 6: Final answer
    x = 517,828.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.