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Finding the Fourth Proportional to 545,784.03, 753,494.55 and 364,802.49

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Solution

The fourth proportional to 545,784.03, 753,494.55 and 364,802.49 is: 503,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,784.03 : 753,494.55 = 364,802.49 : x
  2. Step 2: Convert to fraction form
    545,784.03/753,494.55 = 364,802.49/x
  3. Step 3: Cross multiply
    545,784.03x = 753,494.55 × 364,802.49
  4. Step 4: Simplify right side
    545,784.03x = 274,876,688,041.43
  5. Step 5: Solve for x
    x = 274,876,688,041.43/545,784.03
  6. Step 6: Final answer
    x = 503,636.37

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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.