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Finding the Fourth Proportional to 559,901.11, 772,663.51 and 318,184.15

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Solution

The fourth proportional to 559,901.11, 772,663.51 and 318,184.15 is: 439,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,901.11 : 772,663.51 = 318,184.15 : x
  2. Step 2: Convert to fraction form
    559,901.11/772,663.51 = 318,184.15/x
  3. Step 3: Cross multiply
    559,901.11x = 772,663.51 × 318,184.15
  4. Step 4: Simplify right side
    559,901.11x = 245,849,282,165.37
  5. Step 5: Solve for x
    x = 245,849,282,165.37/559,901.11
  6. Step 6: Final answer
    x = 439,094.11

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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.