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Finding the Fourth Proportional to 541,861.60, 812,792.40 and 352,904.80

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Solution

The fourth proportional to 541,861.60, 812,792.40 and 352,904.80 is: 529,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,861.60 : 812,792.40 = 352,904.80 : x
  2. Step 2: Convert to fraction form
    541,861.60/812,792.40 = 352,904.80/x
  3. Step 3: Cross multiply
    541,861.60x = 812,792.40 × 352,904.80
  4. Step 4: Simplify right side
    541,861.60x = 286,838,339,363.52
  5. Step 5: Solve for x
    x = 286,838,339,363.52/541,861.60
  6. Step 6: Final answer
    x = 529,357.20

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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.