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Finding the Fourth Proportional to 656,307.16, 984,460.51 and 157,671.16

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Solution

The fourth proportional to 656,307.16, 984,460.51 and 157,671.16 is: 236,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,307.16 : 984,460.51 = 157,671.16 : x
  2. Step 2: Convert to fraction form
    656,307.16/984,460.51 = 157,671.16/x
  3. Step 3: Cross multiply
    656,307.16x = 984,460.51 × 157,671.16
  4. Step 4: Simplify right side
    656,307.16x = 155,221,027,878.38
  5. Step 5: Solve for x
    x = 155,221,027,878.38/656,307.16
  6. Step 6: Final answer
    x = 236,506.68

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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.