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Finding the Fourth Proportional to 605,748.80, 908,623.20 and 594,084.80

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Solution

The fourth proportional to 605,748.80, 908,623.20 and 594,084.80 is: 891,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,748.80 : 908,623.20 = 594,084.80 : x
  2. Step 2: Convert to fraction form
    605,748.80/908,623.20 = 594,084.80/x
  3. Step 3: Cross multiply
    605,748.80x = 908,623.20 × 594,084.80
  4. Step 4: Simplify right side
    605,748.80x = 539,799,232,047.36
  5. Step 5: Solve for x
    x = 539,799,232,047.36/605,748.80
  6. Step 6: Final answer
    x = 891,127.20

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Double scale
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Similar ratio
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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.