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Finding the Fourth Proportional to 584,140.60, 806,114.10 and 315,868.60

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Solution

The fourth proportional to 584,140.60, 806,114.10 and 315,868.60 is: 435,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,140.60 : 806,114.10 = 315,868.60 : x
  2. Step 2: Convert to fraction form
    584,140.60/806,114.10 = 315,868.60/x
  3. Step 3: Cross multiply
    584,140.60x = 806,114.10 × 315,868.60
  4. Step 4: Simplify right side
    584,140.60x = 254,626,132,207.26
  5. Step 5: Solve for x
    x = 254,626,132,207.26/584,140.60
  6. Step 6: Final answer
    x = 435,898.71

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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.