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Finding the Fourth Proportional to 529,488.98, 730,801.07 and 314,587.67

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Solution

The fourth proportional to 529,488.98, 730,801.07 and 314,587.67 is: 434,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,488.98 : 730,801.07 = 314,587.67 : x
  2. Step 2: Convert to fraction form
    529,488.98/730,801.07 = 314,587.67/x
  3. Step 3: Cross multiply
    529,488.98x = 730,801.07 × 314,587.67
  4. Step 4: Simplify right side
    529,488.98x = 229,901,005,844.81
  5. Step 5: Solve for x
    x = 229,901,005,844.81/529,488.98
  6. Step 6: Final answer
    x = 434,194.13

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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.