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Finding the Fourth Proportional to 533,347.68, 736,205.13 and 307,083.36

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Solution

The fourth proportional to 533,347.68, 736,205.13 and 307,083.36 is: 423,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,347.68 : 736,205.13 = 307,083.36 : x
  2. Step 2: Convert to fraction form
    533,347.68/736,205.13 = 307,083.36/x
  3. Step 3: Cross multiply
    533,347.68x = 736,205.13 × 307,083.36
  4. Step 4: Simplify right side
    533,347.68x = 226,076,344,969.64
  5. Step 5: Solve for x
    x = 226,076,344,969.64/533,347.68
  6. Step 6: Final answer
    x = 423,881.74

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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.