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Finding the Fourth Proportional to 586,159.44, 808,931.52 and 371,221.20

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Solution

The fourth proportional to 586,159.44, 808,931.52 and 371,221.20 is: 512,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,159.44 : 808,931.52 = 371,221.20 : x
  2. Step 2: Convert to fraction form
    586,159.44/808,931.52 = 371,221.20/x
  3. Step 3: Cross multiply
    586,159.44x = 808,931.52 × 371,221.20
  4. Step 4: Simplify right side
    586,159.44x = 300,292,529,572.22
  5. Step 5: Solve for x
    x = 300,292,529,572.22/586,159.44
  6. Step 6: Final answer
    x = 512,305.20

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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.