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Finding the Fourth Proportional to 370,898.83, 556,417.41 and 168,509.11

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Solution

The fourth proportional to 370,898.83, 556,417.41 and 168,509.11 is: 252,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,898.83 : 556,417.41 = 168,509.11 : x
  2. Step 2: Convert to fraction form
    370,898.83/556,417.41 = 168,509.11/x
  3. Step 3: Cross multiply
    370,898.83x = 556,417.41 × 168,509.11
  4. Step 4: Simplify right side
    370,898.83x = 93,761,402,547.61
  5. Step 5: Solve for x
    x = 93,761,402,547.61/370,898.83
  6. Step 6: Final answer
    x = 252,795.09

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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.