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Finding the Fourth Proportional to 543,885.13, 750,517.48 and 314,457.14

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Solution

The fourth proportional to 543,885.13, 750,517.48 and 314,457.14 is: 433,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,885.13 : 750,517.48 = 314,457.14 : x
  2. Step 2: Convert to fraction form
    543,885.13/750,517.48 = 314,457.14/x
  3. Step 3: Cross multiply
    543,885.13x = 750,517.48 × 314,457.14
  4. Step 4: Simplify right side
    543,885.13x = 236,005,580,204.81
  5. Step 5: Solve for x
    x = 236,005,580,204.81/543,885.13
  6. Step 6: Final answer
    x = 433,925.41

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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.