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Finding the Fourth Proportional to 543,900.48, 750,690.01 and 347,541.36

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Solution

The fourth proportional to 543,900.48, 750,690.01 and 347,541.36 is: 479,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,900.48 : 750,690.01 = 347,541.36 : x
  2. Step 2: Convert to fraction form
    543,900.48/750,690.01 = 347,541.36/x
  3. Step 3: Cross multiply
    543,900.48x = 750,690.01 × 347,541.36
  4. Step 4: Simplify right side
    543,900.48x = 260,895,827,013.81
  5. Step 5: Solve for x
    x = 260,895,827,013.81/543,900.48
  6. Step 6: Final answer
    x = 479,675.67

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1.5x scale

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.