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Finding the Fourth Proportional to 616,186.20, 924,279.30 and 350,465.70

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Solution

The fourth proportional to 616,186.20, 924,279.30 and 350,465.70 is: 525,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,186.20 : 924,279.30 = 350,465.70 : x
  2. Step 2: Convert to fraction form
    616,186.20/924,279.30 = 350,465.70/x
  3. Step 3: Cross multiply
    616,186.20x = 924,279.30 × 350,465.70
  4. Step 4: Simplify right side
    616,186.20x = 323,928,191,870.01
  5. Step 5: Solve for x
    x = 323,928,191,870.01/616,186.20
  6. Step 6: Final answer
    x = 525,698.55

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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.