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Finding the Fourth Proportional to 633,246.69, 873,885.59 and 375,138.32

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Solution

The fourth proportional to 633,246.69, 873,885.59 and 375,138.32 is: 517,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,246.69 : 873,885.59 = 375,138.32 : x
  2. Step 2: Convert to fraction form
    633,246.69/873,885.59 = 375,138.32/x
  3. Step 3: Cross multiply
    633,246.69x = 873,885.59 × 375,138.32
  4. Step 4: Simplify right side
    633,246.69x = 327,827,971,126.99
  5. Step 5: Solve for x
    x = 327,827,971,126.99/633,246.69
  6. Step 6: Final answer
    x = 517,693.93

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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.