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Finding the Fourth Proportional to 542,330.44, 748,714.05 and 370,506.76

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Solution

The fourth proportional to 542,330.44, 748,714.05 and 370,506.76 is: 511,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,330.44 : 748,714.05 = 370,506.76 : x
  2. Step 2: Convert to fraction form
    542,330.44/748,714.05 = 370,506.76/x
  3. Step 3: Cross multiply
    542,330.44x = 748,714.05 × 370,506.76
  4. Step 4: Simplify right side
    542,330.44x = 277,403,616,831.98
  5. Step 5: Solve for x
    x = 277,403,616,831.98/542,330.44
  6. Step 6: Final answer
    x = 511,502.94

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Double scale
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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.