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Finding the Fourth Proportional to 348,953.85, 521,066.95 and 277,069.89

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Solution

The fourth proportional to 348,953.85, 521,066.95 and 277,069.89 is: 413,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,953.85 : 521,066.95 = 277,069.89 : x
  2. Step 2: Convert to fraction form
    348,953.85/521,066.95 = 277,069.89/x
  3. Step 3: Cross multiply
    348,953.85x = 521,066.95 × 277,069.89
  4. Step 4: Simplify right side
    348,953.85x = 144,371,963,094.22
  5. Step 5: Solve for x
    x = 144,371,963,094.22/348,953.85
  6. Step 6: Final answer
    x = 413,727.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.