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Finding the Fourth Proportional to 695,417, 959,675.46 and 377,465

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Solution

The fourth proportional to 695,417, 959,675.46 and 377,465 is: 520,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,417 : 959,675.46 = 377,465 : x
  2. Step 2: Convert to fraction form
    695,417/959,675.46 = 377,465/x
  3. Step 3: Cross multiply
    695,417x = 959,675.46 × 377,465
  4. Step 4: Simplify right side
    695,417x = 362,243,897,508.90
  5. Step 5: Solve for x
    x = 362,243,897,508.90/695,417
  6. Step 6: Final answer
    x = 520,901.70

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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.