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Finding the Fourth Proportional to 543,803.59, 750,428.08 and 302,101.36

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Solution

The fourth proportional to 543,803.59, 750,428.08 and 302,101.36 is: 416,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,803.59 : 750,428.08 = 302,101.36 : x
  2. Step 2: Convert to fraction form
    543,803.59/750,428.08 = 302,101.36/x
  3. Step 3: Cross multiply
    543,803.59x = 750,428.08 × 302,101.36
  4. Step 4: Simplify right side
    543,803.59x = 226,705,343,550.19
  5. Step 5: Solve for x
    x = 226,705,343,550.19/543,803.59
  6. Step 6: Final answer
    x = 416,888.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.