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Finding the Fourth Proportional to 475,389.48, 656,044.74 and 260,527.80

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Solution

The fourth proportional to 475,389.48, 656,044.74 and 260,527.80 is: 359,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,389.48 : 656,044.74 = 260,527.80 : x
  2. Step 2: Convert to fraction form
    475,389.48/656,044.74 = 260,527.80/x
  3. Step 3: Cross multiply
    475,389.48x = 656,044.74 × 260,527.80
  4. Step 4: Simplify right side
    475,389.48x = 170,917,892,813.77
  5. Step 5: Solve for x
    x = 170,917,892,813.77/475,389.48
  6. Step 6: Final answer
    x = 359,532.34

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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.