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Finding the Fourth Proportional to 404,703.60, 607,055.40 and 194,751.60

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Solution

The fourth proportional to 404,703.60, 607,055.40 and 194,751.60 is: 292,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,703.60 : 607,055.40 = 194,751.60 : x
  2. Step 2: Convert to fraction form
    404,703.60/607,055.40 = 194,751.60/x
  3. Step 3: Cross multiply
    404,703.60x = 607,055.40 × 194,751.60
  4. Step 4: Simplify right side
    404,703.60x = 118,225,010,438.64
  5. Step 5: Solve for x
    x = 118,225,010,438.64/404,703.60
  6. Step 6: Final answer
    x = 292,127.40

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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.