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Finding the Fourth Proportional to 570,864.40, 856,296.60 and 535,872.40

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Solution

The fourth proportional to 570,864.40, 856,296.60 and 535,872.40 is: 803,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,864.40 : 856,296.60 = 535,872.40 : x
  2. Step 2: Convert to fraction form
    570,864.40/856,296.60 = 535,872.40/x
  3. Step 3: Cross multiply
    570,864.40x = 856,296.60 × 535,872.40
  4. Step 4: Simplify right side
    570,864.40x = 458,865,714,153.84
  5. Step 5: Solve for x
    x = 458,865,714,153.84/570,864.40
  6. Step 6: Final answer
    x = 803,808.60

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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.