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Finding the Fourth Proportional to 605,365.60, 908,048.40 and 577,809.40

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Solution

The fourth proportional to 605,365.60, 908,048.40 and 577,809.40 is: 866,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,365.60 : 908,048.40 = 577,809.40 : x
  2. Step 2: Convert to fraction form
    605,365.60/908,048.40 = 577,809.40/x
  3. Step 3: Cross multiply
    605,365.60x = 908,048.40 × 577,809.40
  4. Step 4: Simplify right side
    605,365.60x = 524,678,901,174.96
  5. Step 5: Solve for x
    x = 524,678,901,174.96/605,365.60
  6. Step 6: Final answer
    x = 866,714.10

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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.