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Finding the Fourth Proportional to 710,416, 1,066,149.96 and 336,440.08

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Solution

The fourth proportional to 710,416, 1,066,149.96 and 336,440.08 is: 504,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,416 : 1,066,149.96 = 336,440.08 : x
  2. Step 2: Convert to fraction form
    710,416/1,066,149.96 = 336,440.08/x
  3. Step 3: Cross multiply
    710,416x = 1,066,149.96 × 336,440.08
  4. Step 4: Simplify right side
    710,416x = 358,695,577,834.40
  5. Step 5: Solve for x
    x = 358,695,577,834.40/710,416
  6. Step 6: Final answer
    x = 504,909.21

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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.