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Finding the Fourth Proportional to 333,647.13, 460,435.30 and 180,685.45

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Solution

The fourth proportional to 333,647.13, 460,435.30 and 180,685.45 is: 249,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,647.13 : 460,435.30 = 180,685.45 : x
  2. Step 2: Convert to fraction form
    333,647.13/460,435.30 = 180,685.45/x
  3. Step 3: Cross multiply
    333,647.13x = 460,435.30 × 180,685.45
  4. Step 4: Simplify right side
    333,647.13x = 83,193,960,516.57
  5. Step 5: Solve for x
    x = 83,193,960,516.57/333,647.13
  6. Step 6: Final answer
    x = 249,347.15

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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.