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Finding the Fourth Proportional to 716,417.68, 988,096.70 and 444,333

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Solution

The fourth proportional to 716,417.68, 988,096.70 and 444,333 is: 612,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,417.68 : 988,096.70 = 444,333 : x
  2. Step 2: Convert to fraction form
    716,417.68/988,096.70 = 444,333/x
  3. Step 3: Cross multiply
    716,417.68x = 988,096.70 × 444,333
  4. Step 4: Simplify right side
    716,417.68x = 439,043,971,001.10
  5. Step 5: Solve for x
    x = 439,043,971,001.10/716,417.68
  6. Step 6: Final answer
    x = 612,832.41

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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.