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Finding the Fourth Proportional to 488,552.40, 732,828.60 and 156,128.40

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Solution

The fourth proportional to 488,552.40, 732,828.60 and 156,128.40 is: 234,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,552.40 : 732,828.60 = 156,128.40 : x
  2. Step 2: Convert to fraction form
    488,552.40/732,828.60 = 156,128.40/x
  3. Step 3: Cross multiply
    488,552.40x = 732,828.60 × 156,128.40
  4. Step 4: Simplify right side
    488,552.40x = 114,415,356,792.24
  5. Step 5: Solve for x
    x = 114,415,356,792.24/488,552.40
  6. Step 6: Final answer
    x = 234,192.60

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1.5x scale

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.