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Finding the Fourth Proportional to 554,060.58, 830,970.18 and 149,242.83

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Solution

The fourth proportional to 554,060.58, 830,970.18 and 149,242.83 is: 223,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,060.58 : 830,970.18 = 149,242.83 : x
  2. Step 2: Convert to fraction form
    554,060.58/830,970.18 = 149,242.83/x
  3. Step 3: Cross multiply
    554,060.58x = 830,970.18 × 149,242.83
  4. Step 4: Simplify right side
    554,060.58x = 124,016,341,308.81
  5. Step 5: Solve for x
    x = 124,016,341,308.81/554,060.58
  6. Step 6: Final answer
    x = 223,831.74

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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.