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Finding the Fourth Proportional to 425,390.06, 587,066.72 and 234,403.45

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Solution

The fourth proportional to 425,390.06, 587,066.72 and 234,403.45 is: 323,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,390.06 : 587,066.72 = 234,403.45 : x
  2. Step 2: Convert to fraction form
    425,390.06/587,066.72 = 234,403.45/x
  3. Step 3: Cross multiply
    425,390.06x = 587,066.72 × 234,403.45
  4. Step 4: Simplify right side
    425,390.06x = 137,610,461,908.50
  5. Step 5: Solve for x
    x = 137,610,461,908.50/425,390.06
  6. Step 6: Final answer
    x = 323,492.42

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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.