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Finding the Fourth Proportional to 310,804.60, 466,089.72 and 100,386.04

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Solution

The fourth proportional to 310,804.60, 466,089.72 and 100,386.04 is: 150,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,804.60 : 466,089.72 = 100,386.04 : x
  2. Step 2: Convert to fraction form
    310,804.60/466,089.72 = 100,386.04/x
  3. Step 3: Cross multiply
    310,804.60x = 466,089.72 × 100,386.04
  4. Step 4: Simplify right side
    310,804.60x = 46,788,901,275.51
  5. Step 5: Solve for x
    x = 46,788,901,275.51/310,804.60
  6. Step 6: Final answer
    x = 150,541.21

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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.