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Finding the Fourth Proportional to 616,577.44, 924,235.53 and 312,408.13

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Solution

The fourth proportional to 616,577.44, 924,235.53 and 312,408.13 is: 468,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,577.44 : 924,235.53 = 312,408.13 : x
  2. Step 2: Convert to fraction form
    616,577.44/924,235.53 = 312,408.13/x
  3. Step 3: Cross multiply
    616,577.44x = 924,235.53 × 312,408.13
  4. Step 4: Simplify right side
    616,577.44x = 288,738,693,606.86
  5. Step 5: Solve for x
    x = 288,738,693,606.86/616,577.44
  6. Step 6: Final answer
    x = 468,292.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.