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Finding the Fourth Proportional to 473,430.30, 710,145.45 and 341,238.30

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Solution

The fourth proportional to 473,430.30, 710,145.45 and 341,238.30 is: 511,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,430.30 : 710,145.45 = 341,238.30 : x
  2. Step 2: Convert to fraction form
    473,430.30/710,145.45 = 341,238.30/x
  3. Step 3: Cross multiply
    473,430.30x = 710,145.45 × 341,238.30
  4. Step 4: Simplify right side
    473,430.30x = 242,328,826,110.74
  5. Step 5: Solve for x
    x = 242,328,826,110.74/473,430.30
  6. Step 6: Final answer
    x = 511,857.45

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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.