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Finding the Fourth Proportional to 472,150.71, 651,567.99 and 257,290.71

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Solution

The fourth proportional to 472,150.71, 651,567.99 and 257,290.71 is: 355,061.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,150.71 : 651,567.99 = 257,290.71 : x
  2. Step 2: Convert to fraction form
    472,150.71/651,567.99 = 257,290.71/x
  3. Step 3: Cross multiply
    472,150.71x = 651,567.99 × 257,290.71
  4. Step 4: Simplify right side
    472,150.71x = 167,642,390,760.37
  5. Step 5: Solve for x
    x = 167,642,390,760.37/472,150.71
  6. Step 6: Final answer
    x = 355,061.19

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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.