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Finding the Fourth Proportional to 217,417.40, 325,607.70 and 217,417.40

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Solution

The fourth proportional to 217,417.40, 325,607.70 and 217,417.40 is: 325,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,417.40 : 325,607.70 = 217,417.40 : x
  2. Step 2: Convert to fraction form
    217,417.40/325,607.70 = 217,417.40/x
  3. Step 3: Cross multiply
    217,417.40x = 325,607.70 × 217,417.40
  4. Step 4: Simplify right side
    217,417.40x = 70,792,779,553.98
  5. Step 5: Solve for x
    x = 70,792,779,553.98/217,417.40
  6. Step 6: Final answer
    x = 325,607.70

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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.