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Finding the Fourth Proportional to 369,980.04, 554,970.33 and 89,497.56

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Solution

The fourth proportional to 369,980.04, 554,970.33 and 89,497.56 is: 134,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,980.04 : 554,970.33 = 89,497.56 : x
  2. Step 2: Convert to fraction form
    369,980.04/554,970.33 = 89,497.56/x
  3. Step 3: Cross multiply
    369,980.04x = 554,970.33 × 89,497.56
  4. Step 4: Simplify right side
    369,980.04x = 49,668,490,407.39
  5. Step 5: Solve for x
    x = 49,668,490,407.39/369,980.04
  6. Step 6: Final answer
    x = 134,246.41

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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.