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Finding the Fourth Proportional to 302,444.80, 453,667.20 and 154,988.80

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Solution

The fourth proportional to 302,444.80, 453,667.20 and 154,988.80 is: 232,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,444.80 : 453,667.20 = 154,988.80 : x
  2. Step 2: Convert to fraction form
    302,444.80/453,667.20 = 154,988.80/x
  3. Step 3: Cross multiply
    302,444.80x = 453,667.20 × 154,988.80
  4. Step 4: Simplify right side
    302,444.80x = 70,313,334,927.36
  5. Step 5: Solve for x
    x = 70,313,334,927.36/302,444.80
  6. Step 6: Final answer
    x = 232,483.20

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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.