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Finding the Fourth Proportional to 348,545.90, 522,818.85 and 310,492.10

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Solution

The fourth proportional to 348,545.90, 522,818.85 and 310,492.10 is: 465,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,545.90 : 522,818.85 = 310,492.10 : x
  2. Step 2: Convert to fraction form
    348,545.90/522,818.85 = 310,492.10/x
  3. Step 3: Cross multiply
    348,545.90x = 522,818.85 × 310,492.10
  4. Step 4: Simplify right side
    348,545.90x = 162,331,122,656.09
  5. Step 5: Solve for x
    x = 162,331,122,656.09/348,545.90
  6. Step 6: Final answer
    x = 465,738.15

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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.