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Finding the Fourth Proportional to 533,305.90, 736,037.31 and 326,697.58

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Solution

The fourth proportional to 533,305.90, 736,037.31 and 326,697.58 is: 450,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,305.90 : 736,037.31 = 326,697.58 : x
  2. Step 2: Convert to fraction form
    533,305.90/736,037.31 = 326,697.58/x
  3. Step 3: Cross multiply
    533,305.90x = 736,037.31 × 326,697.58
  4. Step 4: Simplify right side
    533,305.90x = 240,461,607,966.71
  5. Step 5: Solve for x
    x = 240,461,607,966.71/533,305.90
  6. Step 6: Final answer
    x = 450,888.71

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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.