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Finding the Fourth Proportional to 326,557.59, 489,841.58 and 124,156.79

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Solution

The fourth proportional to 326,557.59, 489,841.58 and 124,156.79 is: 186,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,557.59 : 489,841.58 = 124,156.79 : x
  2. Step 2: Convert to fraction form
    326,557.59/489,841.58 = 124,156.79/x
  3. Step 3: Cross multiply
    326,557.59x = 489,841.58 × 124,156.79
  4. Step 4: Simplify right side
    326,557.59x = 60,817,156,042.51
  5. Step 5: Solve for x
    x = 60,817,156,042.51/326,557.59
  6. Step 6: Final answer
    x = 186,237.15

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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.