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Finding the Fourth Proportional to 559,606.59, 772,160.87 and 314,557.35

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Solution

The fourth proportional to 559,606.59, 772,160.87 and 314,557.35 is: 434,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,606.59 : 772,160.87 = 314,557.35 : x
  2. Step 2: Convert to fraction form
    559,606.59/772,160.87 = 314,557.35/x
  3. Step 3: Cross multiply
    559,606.59x = 772,160.87 × 314,557.35
  4. Step 4: Simplify right side
    559,606.59x = 242,888,872,572.51
  5. Step 5: Solve for x
    x = 242,888,872,572.51/559,606.59
  6. Step 6: Final answer
    x = 434,035.05

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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.