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Finding the Fourth Proportional to 556,088.94, 767,394.60 and 314,363.52

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Solution

The fourth proportional to 556,088.94, 767,394.60 and 314,363.52 is: 433,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,088.94 : 767,394.60 = 314,363.52 : x
  2. Step 2: Convert to fraction form
    556,088.94/767,394.60 = 314,363.52/x
  3. Step 3: Cross multiply
    556,088.94x = 767,394.60 × 314,363.52
  4. Step 4: Simplify right side
    556,088.94x = 241,240,867,684.99
  5. Step 5: Solve for x
    x = 241,240,867,684.99/556,088.94
  6. Step 6: Final answer
    x = 433,817.06

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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.