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Finding the Fourth Proportional to 535,603.40, 801,849.90 and 520,051.40

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Solution

The fourth proportional to 535,603.40, 801,849.90 and 520,051.40 is: 778,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,603.40 : 801,849.90 = 520,051.40 : x
  2. Step 2: Convert to fraction form
    535,603.40/801,849.90 = 520,051.40/x
  3. Step 3: Cross multiply
    535,603.40x = 801,849.90 × 520,051.40
  4. Step 4: Simplify right side
    535,603.40x = 417,003,163,084.86
  5. Step 5: Solve for x
    x = 417,003,163,084.86/535,603.40
  6. Step 6: Final answer
    x = 778,567.06

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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.