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Finding the Fourth Proportional to 630,146.48, 944,943.24 and 235,886

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Solution

The fourth proportional to 630,146.48, 944,943.24 and 235,886 is: 353,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,146.48 : 944,943.24 = 235,886 : x
  2. Step 2: Convert to fraction form
    630,146.48/944,943.24 = 235,886/x
  3. Step 3: Cross multiply
    630,146.48x = 944,943.24 × 235,886
  4. Step 4: Simplify right side
    630,146.48x = 222,898,881,110.64
  5. Step 5: Solve for x
    x = 222,898,881,110.64/630,146.48
  6. Step 6: Final answer
    x = 353,725.50

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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.