Home / 374,549.10-563,041.59-300,479.55

Finding the Fourth Proportional to 374,549.10, 563,041.59 and 300,479.55

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Solution

The fourth proportional to 374,549.10, 563,041.59 and 300,479.55 is: 451,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,549.10 : 563,041.59 = 300,479.55 : x
  2. Step 2: Convert to fraction form
    374,549.10/563,041.59 = 300,479.55/x
  3. Step 3: Cross multiply
    374,549.10x = 563,041.59 × 300,479.55
  4. Step 4: Simplify right side
    374,549.10x = 169,182,483,594.49
  5. Step 5: Solve for x
    x = 169,182,483,594.49/374,549.10
  6. Step 6: Final answer
    x = 451,696.41

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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.