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Finding the Fourth Proportional to 556,510.55, 834,202.33 and 219,788.62

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Solution

The fourth proportional to 556,510.55, 834,202.33 and 219,788.62 is: 329,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,510.55 : 834,202.33 = 219,788.62 : x
  2. Step 2: Convert to fraction form
    556,510.55/834,202.33 = 219,788.62/x
  3. Step 3: Cross multiply
    556,510.55x = 834,202.33 × 219,788.62
  4. Step 4: Simplify right side
    556,510.55x = 183,348,176,276.51
  5. Step 5: Solve for x
    x = 183,348,176,276.51/556,510.55
  6. Step 6: Final answer
    x = 329,460.38

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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.