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Finding the Fourth Proportional to 292,278.60, 438,417.90 and 233,229.60

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Solution

The fourth proportional to 292,278.60, 438,417.90 and 233,229.60 is: 349,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,278.60 : 438,417.90 = 233,229.60 : x
  2. Step 2: Convert to fraction form
    292,278.60/438,417.90 = 233,229.60/x
  3. Step 3: Cross multiply
    292,278.60x = 438,417.90 × 233,229.60
  4. Step 4: Simplify right side
    292,278.60x = 102,252,031,449.84
  5. Step 5: Solve for x
    x = 102,252,031,449.84/292,278.60
  6. Step 6: Final answer
    x = 349,844.40

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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.