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Finding the Fourth Proportional to 671,070.79, 926,077.69 and 369,264.79

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Solution

The fourth proportional to 671,070.79, 926,077.69 and 369,264.79 is: 509,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,070.79 : 926,077.69 = 369,264.79 : x
  2. Step 2: Convert to fraction form
    671,070.79/926,077.69 = 369,264.79/x
  3. Step 3: Cross multiply
    671,070.79x = 926,077.69 × 369,264.79
  4. Step 4: Simplify right side
    671,070.79x = 341,967,879,091.15
  5. Step 5: Solve for x
    x = 341,967,879,091.15/671,070.79
  6. Step 6: Final answer
    x = 509,585.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.