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Finding the Fourth Proportional to 536,712.95, 740,733.95 and 346,280.33

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Solution

The fourth proportional to 536,712.95, 740,733.95 and 346,280.33 is: 477,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,712.95 : 740,733.95 = 346,280.33 : x
  2. Step 2: Convert to fraction form
    536,712.95/740,733.95 = 346,280.33/x
  3. Step 3: Cross multiply
    536,712.95x = 740,733.95 × 346,280.33
  4. Step 4: Simplify right side
    536,712.95x = 256,501,594,916.80
  5. Step 5: Solve for x
    x = 256,501,594,916.80/536,712.95
  6. Step 6: Final answer
    x = 477,912.07

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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.