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Finding the Fourth Proportional to 564,056.16, 845,209.44 and 326,810.40

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Solution

The fourth proportional to 564,056.16, 845,209.44 and 326,810.40 is: 489,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,056.16 : 845,209.44 = 326,810.40 : x
  2. Step 2: Convert to fraction form
    564,056.16/845,209.44 = 326,810.40/x
  3. Step 3: Cross multiply
    564,056.16x = 845,209.44 × 326,810.40
  4. Step 4: Simplify right side
    564,056.16x = 276,223,235,170.18
  5. Step 5: Solve for x
    x = 276,223,235,170.18/564,056.16
  6. Step 6: Final answer
    x = 489,708.75

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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.