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Finding the Fourth Proportional to 302,430.60, 417,327.12 and 175,114.80

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Solution

The fourth proportional to 302,430.60, 417,327.12 and 175,114.80 is: 241,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,430.60 : 417,327.12 = 175,114.80 : x
  2. Step 2: Convert to fraction form
    302,430.60/417,327.12 = 175,114.80/x
  3. Step 3: Cross multiply
    302,430.60x = 417,327.12 × 175,114.80
  4. Step 4: Simplify right side
    302,430.60x = 73,080,155,153.38
  5. Step 5: Solve for x
    x = 73,080,155,153.38/302,430.60
  6. Step 6: Final answer
    x = 241,642.73

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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.