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Finding the Fourth Proportional to 611,795.79, 844,505.55 and 525,407.87

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Solution

The fourth proportional to 611,795.79, 844,505.55 and 525,407.87 is: 725,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,795.79 : 844,505.55 = 525,407.87 : x
  2. Step 2: Convert to fraction form
    611,795.79/844,505.55 = 525,407.87/x
  3. Step 3: Cross multiply
    611,795.79x = 844,505.55 × 525,407.87
  4. Step 4: Simplify right side
    611,795.79x = 443,709,864,339.94
  5. Step 5: Solve for x
    x = 443,709,864,339.94/611,795.79
  6. Step 6: Final answer
    x = 725,258.12

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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.