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Finding the Fourth Proportional to 570,200.80, 855,491.24 and 191,159.04

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Solution

The fourth proportional to 570,200.80, 855,491.24 and 191,159.04 is: 286,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,200.80 : 855,491.24 = 191,159.04 : x
  2. Step 2: Convert to fraction form
    570,200.80/855,491.24 = 191,159.04/x
  3. Step 3: Cross multiply
    570,200.80x = 855,491.24 × 191,159.04
  4. Step 4: Simplify right side
    570,200.80x = 163,534,884,166.81
  5. Step 5: Solve for x
    x = 163,534,884,166.81/570,200.80
  6. Step 6: Final answer
    x = 286,802.27

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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.