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Finding the Fourth Proportional to 535,431.85, 802,889.42 and 310,848.82

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Solution

The fourth proportional to 535,431.85, 802,889.42 and 310,848.82 is: 466,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,431.85 : 802,889.42 = 310,848.82 : x
  2. Step 2: Convert to fraction form
    535,431.85/802,889.42 = 310,848.82/x
  3. Step 3: Cross multiply
    535,431.85x = 802,889.42 × 310,848.82
  4. Step 4: Simplify right side
    535,431.85x = 249,577,225,236.02
  5. Step 5: Solve for x
    x = 249,577,225,236.02/535,431.85
  6. Step 6: Final answer
    x = 466,123.24

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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.