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Finding the Fourth Proportional to 637,286.40, 955,929.60 and 535,809.60

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Solution

The fourth proportional to 637,286.40, 955,929.60 and 535,809.60 is: 803,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,286.40 : 955,929.60 = 535,809.60 : x
  2. Step 2: Convert to fraction form
    637,286.40/955,929.60 = 535,809.60/x
  3. Step 3: Cross multiply
    637,286.40x = 955,929.60 × 535,809.60
  4. Step 4: Simplify right side
    637,286.40x = 512,196,256,604.16
  5. Step 5: Solve for x
    x = 512,196,256,604.16/637,286.40
  6. Step 6: Final answer
    x = 803,714.40

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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.