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Finding the Fourth Proportional to 554,360.99, 765,018.23 and 299,712.11

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Solution

The fourth proportional to 554,360.99, 765,018.23 and 299,712.11 is: 413,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,360.99 : 765,018.23 = 299,712.11 : x
  2. Step 2: Convert to fraction form
    554,360.99/765,018.23 = 299,712.11/x
  3. Step 3: Cross multiply
    554,360.99x = 765,018.23 × 299,712.11
  4. Step 4: Simplify right side
    554,360.99x = 229,285,227,901.77
  5. Step 5: Solve for x
    x = 229,285,227,901.77/554,360.99
  6. Step 6: Final answer
    x = 413,602.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.