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Finding the Fourth Proportional to 404,159.60, 607,551.60 and 286,644.80

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Solution

The fourth proportional to 404,159.60, 607,551.60 and 286,644.80 is: 430,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,159.60 : 607,551.60 = 286,644.80 : x
  2. Step 2: Convert to fraction form
    404,159.60/607,551.60 = 286,644.80/x
  3. Step 3: Cross multiply
    404,159.60x = 607,551.60 × 286,644.80
  4. Step 4: Simplify right side
    404,159.60x = 174,151,506,871.68
  5. Step 5: Solve for x
    x = 174,151,506,871.68/404,159.60
  6. Step 6: Final answer
    x = 430,897.86

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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.