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Finding the Fourth Proportional to 448,915.17, 619,000.61 and 366,987.72

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Solution

The fourth proportional to 448,915.17, 619,000.61 and 366,987.72 is: 506,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,915.17 : 619,000.61 = 366,987.72 : x
  2. Step 2: Convert to fraction form
    448,915.17/619,000.61 = 366,987.72/x
  3. Step 3: Cross multiply
    448,915.17x = 619,000.61 × 366,987.72
  4. Step 4: Simplify right side
    448,915.17x = 227,165,620,707.57
  5. Step 5: Solve for x
    x = 227,165,620,707.57/448,915.17
  6. Step 6: Final answer
    x = 506,032.40

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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.