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Finding the Fourth Proportional to 522,014.70, 783,022.05 and 403,916.70

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Solution

The fourth proportional to 522,014.70, 783,022.05 and 403,916.70 is: 605,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,014.70 : 783,022.05 = 403,916.70 : x
  2. Step 2: Convert to fraction form
    522,014.70/783,022.05 = 403,916.70/x
  3. Step 3: Cross multiply
    522,014.70x = 783,022.05 × 403,916.70
  4. Step 4: Simplify right side
    522,014.70x = 316,275,682,463.24
  5. Step 5: Solve for x
    x = 316,275,682,463.24/522,014.70
  6. Step 6: Final answer
    x = 605,875.05

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1.5x scale

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.