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Finding the Fourth Proportional to 522,702.34, 721,582.68 and 350,557.34

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Solution

The fourth proportional to 522,702.34, 721,582.68 and 350,557.34 is: 483,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,702.34 : 721,582.68 = 350,557.34 : x
  2. Step 2: Convert to fraction form
    522,702.34/721,582.68 = 350,557.34/x
  3. Step 3: Cross multiply
    522,702.34x = 721,582.68 × 350,557.34
  4. Step 4: Simplify right side
    522,702.34x = 252,956,102,597.55
  5. Step 5: Solve for x
    x = 252,956,102,597.55/522,702.34
  6. Step 6: Final answer
    x = 483,939.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.