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Finding the Fourth Proportional to 348,038.70, 522,058.05 and 297,300.30

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Solution

The fourth proportional to 348,038.70, 522,058.05 and 297,300.30 is: 445,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,038.70 : 522,058.05 = 297,300.30 : x
  2. Step 2: Convert to fraction form
    348,038.70/522,058.05 = 297,300.30/x
  3. Step 3: Cross multiply
    348,038.70x = 522,058.05 × 297,300.30
  4. Step 4: Simplify right side
    348,038.70x = 155,208,014,882.42
  5. Step 5: Solve for x
    x = 155,208,014,882.42/348,038.70
  6. Step 6: Final answer
    x = 445,950.45

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Similar ratio
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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.