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Finding the Fourth Proportional to 586,089.12, 808,960.68 and 344,533.56

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Solution

The fourth proportional to 586,089.12, 808,960.68 and 344,533.56 is: 475,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,089.12 : 808,960.68 = 344,533.56 : x
  2. Step 2: Convert to fraction form
    586,089.12/808,960.68 = 344,533.56/x
  3. Step 3: Cross multiply
    586,089.12x = 808,960.68 × 344,533.56
  4. Step 4: Simplify right side
    586,089.12x = 278,714,102,980.42
  5. Step 5: Solve for x
    x = 278,714,102,980.42/586,089.12
  6. Step 6: Final answer
    x = 475,549.01

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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.