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Finding the Fourth Proportional to 906,315.68, 1,250,727 and 498,462.32

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Solution

The fourth proportional to 906,315.68, 1,250,727 and 498,462.32 is: 687,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,315.68 : 1,250,727 = 498,462.32 : x
  2. Step 2: Convert to fraction form
    906,315.68/1,250,727 = 498,462.32/x
  3. Step 3: Cross multiply
    906,315.68x = 1,250,727 × 498,462.32
  4. Step 4: Simplify right side
    906,315.68x = 623,440,282,106.64
  5. Step 5: Solve for x
    x = 623,440,282,106.64/906,315.68
  6. Step 6: Final answer
    x = 687,884.25

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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.