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Finding the Fourth Proportional to 489,222.30, 733,833.46 and 371,124.30

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Solution

The fourth proportional to 489,222.30, 733,833.46 and 371,124.30 is: 556,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,222.30 : 733,833.46 = 371,124.30 : x
  2. Step 2: Convert to fraction form
    489,222.30/733,833.46 = 371,124.30/x
  3. Step 3: Cross multiply
    489,222.30x = 733,833.46 × 371,124.30
  4. Step 4: Simplify right side
    489,222.30x = 272,343,429,159.08
  5. Step 5: Solve for x
    x = 272,343,429,159.08/489,222.30
  6. Step 6: Final answer
    x = 556,686.46

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Similar ratio
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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.