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Finding the Fourth Proportional to 556,828.80, 835,243.20 and 201,842.40

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Solution

The fourth proportional to 556,828.80, 835,243.20 and 201,842.40 is: 302,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,828.80 : 835,243.20 = 201,842.40 : x
  2. Step 2: Convert to fraction form
    556,828.80/835,243.20 = 201,842.40/x
  3. Step 3: Cross multiply
    556,828.80x = 835,243.20 × 201,842.40
  4. Step 4: Simplify right side
    556,828.80x = 168,587,492,071.68
  5. Step 5: Solve for x
    x = 168,587,492,071.68/556,828.80
  6. Step 6: Final answer
    x = 302,763.60

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1.5x scale

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.