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Finding the Fourth Proportional to 535,317.58, 802,722.21 and 310,746.88

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Solution

The fourth proportional to 535,317.58, 802,722.21 and 310,746.88 is: 465,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,317.58 : 802,722.21 = 310,746.88 : x
  2. Step 2: Convert to fraction form
    535,317.58/802,722.21 = 310,746.88/x
  3. Step 3: Cross multiply
    535,317.58x = 802,722.21 × 310,746.88
  4. Step 4: Simplify right side
    535,317.58x = 249,443,422,264.21
  5. Step 5: Solve for x
    x = 249,443,422,264.21/535,317.58
  6. Step 6: Final answer
    x = 465,972.78

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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.