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Finding the Fourth Proportional to 570,061.13, 786,341.63 and 376,470.62

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Solution

The fourth proportional to 570,061.13, 786,341.63 and 376,470.62 is: 519,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,061.13 : 786,341.63 = 376,470.62 : x
  2. Step 2: Convert to fraction form
    570,061.13/786,341.63 = 376,470.62/x
  3. Step 3: Cross multiply
    570,061.13x = 786,341.63 × 376,470.62
  4. Step 4: Simplify right side
    570,061.13x = 296,034,520,977.91
  5. Step 5: Solve for x
    x = 296,034,520,977.91/570,061.13
  6. Step 6: Final answer
    x = 519,303.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.