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Finding the Fourth Proportional to 472,411.52, 651,927.51 and 257,551.59

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Solution

The fourth proportional to 472,411.52, 651,927.51 and 257,551.59 is: 355,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,411.52 : 651,927.51 = 257,551.59 : x
  2. Step 2: Convert to fraction form
    472,411.52/651,927.51 = 257,551.59/x
  3. Step 3: Cross multiply
    472,411.52x = 651,927.51 × 257,551.59
  4. Step 4: Simplify right side
    472,411.52x = 167,904,964,726.55
  5. Step 5: Solve for x
    x = 167,904,964,726.55/472,411.52
  6. Step 6: Final answer
    x = 355,420.98

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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.