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Finding the Fourth Proportional to 344,007.80, 514,845.30 and 302,017.40

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Solution

The fourth proportional to 344,007.80, 514,845.30 and 302,017.40 is: 452,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,007.80 : 514,845.30 = 302,017.40 : x
  2. Step 2: Convert to fraction form
    344,007.80/514,845.30 = 302,017.40/x
  3. Step 3: Cross multiply
    344,007.80x = 514,845.30 × 302,017.40
  4. Step 4: Simplify right side
    344,007.80x = 155,492,238,908.22
  5. Step 5: Solve for x
    x = 155,492,238,908.22/344,007.80
  6. Step 6: Final answer
    x = 452,002.07

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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.