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Finding the Fourth Proportional to 219,547.19, 329,321.59 and 53,335.19

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Solution

The fourth proportional to 219,547.19, 329,321.59 and 53,335.19 is: 80,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,547.19 : 329,321.59 = 53,335.19 : x
  2. Step 2: Convert to fraction form
    219,547.19/329,321.59 = 53,335.19/x
  3. Step 3: Cross multiply
    219,547.19x = 329,321.59 × 53,335.19
  4. Step 4: Simplify right side
    219,547.19x = 17,564,428,883.79
  5. Step 5: Solve for x
    x = 17,564,428,883.79/219,547.19
  6. Step 6: Final answer
    x = 80,002.98

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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.