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Finding the Fourth Proportional to 219,303.32, 328,966.72 and 69,554.97

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Solution

The fourth proportional to 219,303.32, 328,966.72 and 69,554.97 is: 104,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,303.32 : 328,966.72 = 69,554.97 : x
  2. Step 2: Convert to fraction form
    219,303.32/328,966.72 = 69,554.97/x
  3. Step 3: Cross multiply
    219,303.32x = 328,966.72 × 69,554.97
  4. Step 4: Simplify right side
    219,303.32x = 22,881,270,166.71
  5. Step 5: Solve for x
    x = 22,881,270,166.71/219,303.32
  6. Step 6: Final answer
    x = 104,336.18

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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.