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Finding the Fourth Proportional to 556,254.80, 833,767.80 and 307,115.60

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Solution

The fourth proportional to 556,254.80, 833,767.80 and 307,115.60 is: 460,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,254.80 : 833,767.80 = 307,115.60 : x
  2. Step 2: Convert to fraction form
    556,254.80/833,767.80 = 307,115.60/x
  3. Step 3: Cross multiply
    556,254.80x = 833,767.80 × 307,115.60
  4. Step 4: Simplify right side
    556,254.80x = 256,063,098,157.68
  5. Step 5: Solve for x
    x = 256,063,098,157.68/556,254.80
  6. Step 6: Final answer
    x = 460,334.18

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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.