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Finding the Fourth Proportional to 461,421.60, 692,132.40 and 461,421.60

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Solution

The fourth proportional to 461,421.60, 692,132.40 and 461,421.60 is: 692,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,421.60 : 692,132.40 = 461,421.60 : x
  2. Step 2: Convert to fraction form
    461,421.60/692,132.40 = 461,421.60/x
  3. Step 3: Cross multiply
    461,421.60x = 692,132.40 × 461,421.60
  4. Step 4: Simplify right side
    461,421.60x = 319,364,839,419.84
  5. Step 5: Solve for x
    x = 319,364,839,419.84/461,421.60
  6. Step 6: Final answer
    x = 692,132.40

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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.