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Finding the Fourth Proportional to 710,479, 1,066,243.38 and 336,502

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Solution

The fourth proportional to 710,479, 1,066,243.38 and 336,502 is: 505,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,479 : 1,066,243.38 = 336,502 : x
  2. Step 2: Convert to fraction form
    710,479/1,066,243.38 = 336,502/x
  3. Step 3: Cross multiply
    710,479x = 1,066,243.38 × 336,502
  4. Step 4: Simplify right side
    710,479x = 358,793,029,856.76
  5. Step 5: Solve for x
    x = 358,793,029,856.76/710,479
  6. Step 6: Final answer
    x = 505,001.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.