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Finding the Fourth Proportional to 586,080.16, 808,654.80 and 404,951.20

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Solution

The fourth proportional to 586,080.16, 808,654.80 and 404,951.20 is: 558,738.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,080.16 : 808,654.80 = 404,951.20 : x
  2. Step 2: Convert to fraction form
    586,080.16/808,654.80 = 404,951.20/x
  3. Step 3: Cross multiply
    586,080.16x = 808,654.80 × 404,951.20
  4. Step 4: Simplify right side
    586,080.16x = 327,465,731,645.76
  5. Step 5: Solve for x
    x = 327,465,731,645.76/586,080.16
  6. Step 6: Final answer
    x = 558,738.81

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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.