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Finding the Fourth Proportional to 633,995.64, 950,681.88 and 313,776.72

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Solution

The fourth proportional to 633,995.64, 950,681.88 and 313,776.72 is: 470,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,995.64 : 950,681.88 = 313,776.72 : x
  2. Step 2: Convert to fraction form
    633,995.64/950,681.88 = 313,776.72/x
  3. Step 3: Cross multiply
    633,995.64x = 950,681.88 × 313,776.72
  4. Step 4: Simplify right side
    633,995.64x = 298,301,842,069.83
  5. Step 5: Solve for x
    x = 298,301,842,069.83/633,995.64
  6. Step 6: Final answer
    x = 470,510.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.