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Finding the Fourth Proportional to 634,394.25, 875,510.46 and 362,456.31

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Solution

The fourth proportional to 634,394.25, 875,510.46 and 362,456.31 is: 500,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,394.25 : 875,510.46 = 362,456.31 : x
  2. Step 2: Convert to fraction form
    634,394.25/875,510.46 = 362,456.31/x
  3. Step 3: Cross multiply
    634,394.25x = 875,510.46 × 362,456.31
  4. Step 4: Simplify right side
    634,394.25x = 317,334,290,698.00
  5. Step 5: Solve for x
    x = 317,334,290,698.00/634,394.25
  6. Step 6: Final answer
    x = 500,216.22

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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.