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Finding the Fourth Proportional to 472,425.95, 651,951.63 and 257,567.58

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Solution

The fourth proportional to 472,425.95, 651,951.63 and 257,567.58 is: 355,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,425.95 : 651,951.63 = 257,567.58 : x
  2. Step 2: Convert to fraction form
    472,425.95/651,951.63 = 257,567.58/x
  3. Step 3: Cross multiply
    472,425.95x = 651,951.63 × 257,567.58
  4. Step 4: Simplify right side
    472,425.95x = 167,921,603,616.16
  5. Step 5: Solve for x
    x = 167,921,603,616.16/472,425.95
  6. Step 6: Final answer
    x = 355,445.34

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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.