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Finding the Fourth Proportional to 570,146.04, 786,884.98 and 328,382.12

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Solution

The fourth proportional to 570,146.04, 786,884.98 and 328,382.12 is: 453,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,146.04 : 786,884.98 = 328,382.12 : x
  2. Step 2: Convert to fraction form
    570,146.04/786,884.98 = 328,382.12/x
  3. Step 3: Cross multiply
    570,146.04x = 786,884.98 × 328,382.12
  4. Step 4: Simplify right side
    570,146.04x = 258,398,957,928.56
  5. Step 5: Solve for x
    x = 258,398,957,928.56/570,146.04
  6. Step 6: Final answer
    x = 453,215.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.