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Finding the Fourth Proportional to 605,587.80, 908,381.70 and 565,930.20

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Solution

The fourth proportional to 605,587.80, 908,381.70 and 565,930.20 is: 848,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,587.80 : 908,381.70 = 565,930.20 : x
  2. Step 2: Convert to fraction form
    605,587.80/908,381.70 = 565,930.20/x
  3. Step 3: Cross multiply
    605,587.80x = 908,381.70 × 565,930.20
  4. Step 4: Simplify right side
    605,587.80x = 514,080,637,157.34
  5. Step 5: Solve for x
    x = 514,080,637,157.34/605,587.80
  6. Step 6: Final answer
    x = 848,895.30

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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.