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Finding the Fourth Proportional to 700,349.28, 1,050,852 and 345,169.68

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Solution

The fourth proportional to 700,349.28, 1,050,852 and 345,169.68 is: 517,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,349.28 : 1,050,852 = 345,169.68 : x
  2. Step 2: Convert to fraction form
    700,349.28/1,050,852 = 345,169.68/x
  3. Step 3: Cross multiply
    700,349.28x = 1,050,852 × 345,169.68
  4. Step 4: Simplify right side
    700,349.28x = 362,722,248,567.36
  5. Step 5: Solve for x
    x = 362,722,248,567.36/700,349.28
  6. Step 6: Final answer
    x = 517,916.22

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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.