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Finding the Fourth Proportional to 532,307.35, 735,385.40 and 348,981.49

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Solution

The fourth proportional to 532,307.35, 735,385.40 and 348,981.49 is: 482,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,307.35 : 735,385.40 = 348,981.49 : x
  2. Step 2: Convert to fraction form
    532,307.35/735,385.40 = 348,981.49/x
  3. Step 3: Cross multiply
    532,307.35x = 735,385.40 × 348,981.49
  4. Step 4: Simplify right side
    532,307.35x = 256,635,892,616.25
  5. Step 5: Solve for x
    x = 256,635,892,616.25/532,307.35
  6. Step 6: Final answer
    x = 482,119.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.