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Finding the Fourth Proportional to 671,661.16, 926,592.55 and 453,799.51

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Solution

The fourth proportional to 671,661.16, 926,592.55 and 453,799.51 is: 626,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,661.16 : 926,592.55 = 453,799.51 : x
  2. Step 2: Convert to fraction form
    671,661.16/926,592.55 = 453,799.51/x
  3. Step 3: Cross multiply
    671,661.16x = 926,592.55 × 453,799.51
  4. Step 4: Simplify right side
    671,661.16x = 420,487,241,708.67
  5. Step 5: Solve for x
    x = 420,487,241,708.67/671,661.16
  6. Step 6: Final answer
    x = 626,040.73

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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.