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Finding the Fourth Proportional to 700,460.70, 1,051,019.10 and 363,881.40

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Solution

The fourth proportional to 700,460.70, 1,051,019.10 and 363,881.40 is: 545,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,460.70 : 1,051,019.10 = 363,881.40 : x
  2. Step 2: Convert to fraction form
    700,460.70/1,051,019.10 = 363,881.40/x
  3. Step 3: Cross multiply
    700,460.70x = 1,051,019.10 × 363,881.40
  4. Step 4: Simplify right side
    700,460.70x = 382,446,301,534.74
  5. Step 5: Solve for x
    x = 382,446,301,534.74/700,460.70
  6. Step 6: Final answer
    x = 545,992.52

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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.