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Finding the Fourth Proportional to 410,001.55, 565,802.96 and 228,708.77

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Solution

The fourth proportional to 410,001.55, 565,802.96 and 228,708.77 is: 315,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,001.55 : 565,802.96 = 228,708.77 : x
  2. Step 2: Convert to fraction form
    410,001.55/565,802.96 = 228,708.77/x
  3. Step 3: Cross multiply
    410,001.55x = 565,802.96 × 228,708.77
  4. Step 4: Simplify right side
    410,001.55x = 129,404,095,071.40
  5. Step 5: Solve for x
    x = 129,404,095,071.40/410,001.55
  6. Step 6: Final answer
    x = 315,618.55

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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.