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Finding the Fourth Proportional to 530,644.64, 732,744.70 and 513,486.27

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Solution

The fourth proportional to 530,644.64, 732,744.70 and 513,486.27 is: 709,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,644.64 : 732,744.70 = 513,486.27 : x
  2. Step 2: Convert to fraction form
    530,644.64/732,744.70 = 513,486.27/x
  3. Step 3: Cross multiply
    530,644.64x = 732,744.70 × 513,486.27
  4. Step 4: Simplify right side
    530,644.64x = 376,254,341,581.55
  5. Step 5: Solve for x
    x = 376,254,341,581.55/530,644.64
  6. Step 6: Final answer
    x = 709,051.44

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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.