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Finding the Fourth Proportional to 325,562.59, 489,094.35 and 312,110.83

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Solution

The fourth proportional to 325,562.59, 489,094.35 and 312,110.83 is: 468,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,562.59 : 489,094.35 = 312,110.83 : x
  2. Step 2: Convert to fraction form
    325,562.59/489,094.35 = 312,110.83/x
  3. Step 3: Cross multiply
    325,562.59x = 489,094.35 × 312,110.83
  4. Step 4: Simplify right side
    325,562.59x = 152,651,643,526.81
  5. Step 5: Solve for x
    x = 152,651,643,526.81/325,562.59
  6. Step 6: Final answer
    x = 468,885.70

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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.