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Finding the Fourth Proportional to 554,818.95, 832,228.56 and 155,518.92

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Solution

The fourth proportional to 554,818.95, 832,228.56 and 155,518.92 is: 233,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,818.95 : 832,228.56 = 155,518.92 : x
  2. Step 2: Convert to fraction form
    554,818.95/832,228.56 = 155,518.92/x
  3. Step 3: Cross multiply
    554,818.95x = 832,228.56 × 155,518.92
  4. Step 4: Simplify right side
    554,818.95x = 129,427,286,844.36
  5. Step 5: Solve for x
    x = 129,427,286,844.36/554,818.95
  6. Step 6: Final answer
    x = 233,278.42

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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.