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Finding the Fourth Proportional to 584,865.03, 806,655.06 and 380,980.11

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Solution

The fourth proportional to 584,865.03, 806,655.06 and 380,980.11 is: 525,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,865.03 : 806,655.06 = 380,980.11 : x
  2. Step 2: Convert to fraction form
    584,865.03/806,655.06 = 380,980.11/x
  3. Step 3: Cross multiply
    584,865.03x = 806,655.06 × 380,980.11
  4. Step 4: Simplify right side
    584,865.03x = 307,319,533,490.86
  5. Step 5: Solve for x
    x = 307,319,533,490.86/584,865.03
  6. Step 6: Final answer
    x = 525,453.77

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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.