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Finding the Fourth Proportional to 460,977.96, 636,102.93 and 257,009.56

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Solution

The fourth proportional to 460,977.96, 636,102.93 and 257,009.56 is: 354,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,977.96 : 636,102.93 = 257,009.56 : x
  2. Step 2: Convert to fraction form
    460,977.96/636,102.93 = 257,009.56/x
  3. Step 3: Cross multiply
    460,977.96x = 636,102.93 × 257,009.56
  4. Step 4: Simplify right side
    460,977.96x = 163,484,534,154.01
  5. Step 5: Solve for x
    x = 163,484,534,154.01/460,977.96
  6. Step 6: Final answer
    x = 354,647.18

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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.