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Finding the Fourth Proportional to 554,952.30, 832,428.45 and 413,234.70

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Solution

The fourth proportional to 554,952.30, 832,428.45 and 413,234.70 is: 619,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,952.30 : 832,428.45 = 413,234.70 : x
  2. Step 2: Convert to fraction form
    554,952.30/832,428.45 = 413,234.70/x
  3. Step 3: Cross multiply
    554,952.30x = 832,428.45 × 413,234.70
  4. Step 4: Simplify right side
    554,952.30x = 343,988,320,807.22
  5. Step 5: Solve for x
    x = 343,988,320,807.22/554,952.30
  6. Step 6: Final answer
    x = 619,852.05

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Similar ratio
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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.