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Finding the Fourth Proportional to 605,302.90, 907,626.30 and 249,915.40

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Solution

The fourth proportional to 605,302.90, 907,626.30 and 249,915.40 is: 374,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,302.90 : 907,626.30 = 249,915.40 : x
  2. Step 2: Convert to fraction form
    605,302.90/907,626.30 = 249,915.40/x
  3. Step 3: Cross multiply
    605,302.90x = 907,626.30 × 249,915.40
  4. Step 4: Simplify right side
    605,302.90x = 226,829,789,815.02
  5. Step 5: Solve for x
    x = 226,829,789,815.02/605,302.90
  6. Step 6: Final answer
    x = 374,737.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.