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Finding the Fourth Proportional to 292,373.94, 438,714.62 and 207,532.32

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Solution

The fourth proportional to 292,373.94, 438,714.62 and 207,532.32 is: 311,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,373.94 : 438,714.62 = 207,532.32 : x
  2. Step 2: Convert to fraction form
    292,373.94/438,714.62 = 207,532.32/x
  3. Step 3: Cross multiply
    292,373.94x = 438,714.62 × 207,532.32
  4. Step 4: Simplify right side
    292,373.94x = 91,047,461,868.86
  5. Step 5: Solve for x
    x = 91,047,461,868.86/292,373.94
  6. Step 6: Final answer
    x = 311,407.58

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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.