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Finding the Fourth Proportional to 822,647.64, 1,234,126.00 and 373,400.08

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Solution

The fourth proportional to 822,647.64, 1,234,126.00 and 373,400.08 is: 560,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,647.64 : 1,234,126.00 = 373,400.08 : x
  2. Step 2: Convert to fraction form
    822,647.64/1,234,126.00 = 373,400.08/x
  3. Step 3: Cross multiply
    822,647.64x = 1,234,126.00 × 373,400.08
  4. Step 4: Simplify right side
    822,647.64x = 460,822,748,063.58
  5. Step 5: Solve for x
    x = 460,822,748,063.58/822,647.64
  6. Step 6: Final answer
    x = 560,170.27

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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.