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Finding the Fourth Proportional to 536,712.70, 740,733.60 and 346,280.08

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Solution

The fourth proportional to 536,712.70, 740,733.60 and 346,280.08 is: 477,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,712.70 : 740,733.60 = 346,280.08 : x
  2. Step 2: Convert to fraction form
    536,712.70/740,733.60 = 346,280.08/x
  3. Step 3: Cross multiply
    536,712.70x = 740,733.60 × 346,280.08
  4. Step 4: Simplify right side
    536,712.70x = 256,501,290,266.69
  5. Step 5: Solve for x
    x = 256,501,290,266.69/536,712.70
  6. Step 6: Final answer
    x = 477,911.72

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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.