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Finding the Fourth Proportional to 346,707.10, 520,060.65 and 303,852.70

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Solution

The fourth proportional to 346,707.10, 520,060.65 and 303,852.70 is: 455,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,707.10 : 520,060.65 = 303,852.70 : x
  2. Step 2: Convert to fraction form
    346,707.10/520,060.65 = 303,852.70/x
  3. Step 3: Cross multiply
    346,707.10x = 520,060.65 × 303,852.70
  4. Step 4: Simplify right side
    346,707.10x = 158,021,832,666.26
  5. Step 5: Solve for x
    x = 158,021,832,666.26/346,707.10
  6. Step 6: Final answer
    x = 455,779.05

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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.