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Finding the Fourth Proportional to 616,837.92, 924,053.76 and 405,836.16

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Solution

The fourth proportional to 616,837.92, 924,053.76 and 405,836.16 is: 607,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,837.92 : 924,053.76 = 405,836.16 : x
  2. Step 2: Convert to fraction form
    616,837.92/924,053.76 = 405,836.16/x
  3. Step 3: Cross multiply
    616,837.92x = 924,053.76 × 405,836.16
  4. Step 4: Simplify right side
    616,837.92x = 375,014,429,591.96
  5. Step 5: Solve for x
    x = 375,014,429,591.96/616,837.92
  6. Step 6: Final answer
    x = 607,962.67

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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.