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Finding the Fourth Proportional to 361,502.40, 542,253.60 and 174,878.40

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Solution

The fourth proportional to 361,502.40, 542,253.60 and 174,878.40 is: 262,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,502.40 : 542,253.60 = 174,878.40 : x
  2. Step 2: Convert to fraction form
    361,502.40/542,253.60 = 174,878.40/x
  3. Step 3: Cross multiply
    361,502.40x = 542,253.60 × 174,878.40
  4. Step 4: Simplify right side
    361,502.40x = 94,828,441,962.24
  5. Step 5: Solve for x
    x = 94,828,441,962.24/361,502.40
  6. Step 6: Final answer
    x = 262,317.60

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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.