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Finding the Fourth Proportional to 693,085, 956,460.18 and 375,133

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Solution

The fourth proportional to 693,085, 956,460.18 and 375,133 is: 517,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,085 : 956,460.18 = 375,133 : x
  2. Step 2: Convert to fraction form
    693,085/956,460.18 = 375,133/x
  3. Step 3: Cross multiply
    693,085x = 956,460.18 × 375,133
  4. Step 4: Simplify right side
    693,085x = 358,799,776,703.94
  5. Step 5: Solve for x
    x = 358,799,776,703.94/693,085
  6. Step 6: Final answer
    x = 517,685.10

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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.