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Finding the Fourth Proportional to 535,323.22, 802,730.57 and 310,752.53

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Solution

The fourth proportional to 535,323.22, 802,730.57 and 310,752.53 is: 465,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,323.22 : 802,730.57 = 310,752.53 : x
  2. Step 2: Convert to fraction form
    535,323.22/802,730.57 = 310,752.53/x
  3. Step 3: Cross multiply
    535,323.22x = 802,730.57 × 310,752.53
  4. Step 4: Simplify right side
    535,323.22x = 249,450,553,982.08
  5. Step 5: Solve for x
    x = 249,450,553,982.08/535,323.22
  6. Step 6: Final answer
    x = 465,981.20

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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.