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Finding the Fourth Proportional to 457,707.04, 631,650.66 and 253,776.93

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Solution

The fourth proportional to 457,707.04, 631,650.66 and 253,776.93 is: 350,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,707.04 : 631,650.66 = 253,776.93 : x
  2. Step 2: Convert to fraction form
    457,707.04/631,650.66 = 253,776.93/x
  3. Step 3: Cross multiply
    457,707.04x = 631,650.66 × 253,776.93
  4. Step 4: Simplify right side
    457,707.04x = 160,298,365,559.96
  5. Step 5: Solve for x
    x = 160,298,365,559.96/457,707.04
  6. Step 6: Final answer
    x = 350,220.45

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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.