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Finding the Fourth Proportional to 623,501.46, 860,441.58 and 365,316.61

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Solution

The fourth proportional to 623,501.46, 860,441.58 and 365,316.61 is: 504,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,501.46 : 860,441.58 = 365,316.61 : x
  2. Step 2: Convert to fraction form
    623,501.46/860,441.58 = 365,316.61/x
  3. Step 3: Cross multiply
    623,501.46x = 860,441.58 × 365,316.61
  4. Step 4: Simplify right side
    623,501.46x = 314,333,601,108.64
  5. Step 5: Solve for x
    x = 314,333,601,108.64/623,501.46
  6. Step 6: Final answer
    x = 504,142.53

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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.