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Finding the Fourth Proportional to 695,076.51, 958,710.92 and 637,900.59

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Solution

The fourth proportional to 695,076.51, 958,710.92 and 637,900.59 is: 879,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,076.51 : 958,710.92 = 637,900.59 : x
  2. Step 2: Convert to fraction form
    695,076.51/958,710.92 = 637,900.59/x
  3. Step 3: Cross multiply
    695,076.51x = 958,710.92 × 637,900.59
  4. Step 4: Simplify right side
    695,076.51x = 611,562,258,317.94
  5. Step 5: Solve for x
    x = 611,562,258,317.94/695,076.51
  6. Step 6: Final answer
    x = 879,848.84

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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.