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Finding the Fourth Proportional to 326,034.71, 489,053.76 and 148,417.51

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Solution

The fourth proportional to 326,034.71, 489,053.76 and 148,417.51 is: 222,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,034.71 : 489,053.76 = 148,417.51 : x
  2. Step 2: Convert to fraction form
    326,034.71/489,053.76 = 148,417.51/x
  3. Step 3: Cross multiply
    326,034.71x = 489,053.76 × 148,417.51
  4. Step 4: Simplify right side
    326,034.71x = 72,584,138,127.98
  5. Step 5: Solve for x
    x = 72,584,138,127.98/326,034.71
  6. Step 6: Final answer
    x = 222,627.03

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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.