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Finding the Fourth Proportional to 450,695.13, 675,070.79 and 424,196.89

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Solution

The fourth proportional to 450,695.13, 675,070.79 and 424,196.89 is: 635,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,695.13 : 675,070.79 = 424,196.89 : x
  2. Step 2: Convert to fraction form
    450,695.13/675,070.79 = 424,196.89/x
  3. Step 3: Cross multiply
    450,695.13x = 675,070.79 × 424,196.89
  4. Step 4: Simplify right side
    450,695.13x = 286,362,929,647.84
  5. Step 5: Solve for x
    x = 286,362,929,647.84/450,695.13
  6. Step 6: Final answer
    x = 635,380.57

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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.