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Finding the Fourth Proportional to 533,437.63, 736,211.18 and 349,830.61

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Solution

The fourth proportional to 533,437.63, 736,211.18 and 349,830.61 is: 482,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,437.63 : 736,211.18 = 349,830.61 : x
  2. Step 2: Convert to fraction form
    533,437.63/736,211.18 = 349,830.61/x
  3. Step 3: Cross multiply
    533,437.63x = 736,211.18 × 349,830.61
  4. Step 4: Simplify right side
    533,437.63x = 257,549,206,726.58
  5. Step 5: Solve for x
    x = 257,549,206,726.58/533,437.63
  6. Step 6: Final answer
    x = 482,810.34

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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.