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Finding the Fourth Proportional to 671,146.67, 926,182.52 and 369,340.67

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Solution

The fourth proportional to 671,146.67, 926,182.52 and 369,340.67 is: 509,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,146.67 : 926,182.52 = 369,340.67 : x
  2. Step 2: Convert to fraction form
    671,146.67/926,182.52 = 369,340.67/x
  3. Step 3: Cross multiply
    671,146.67x = 926,182.52 × 369,340.67
  4. Step 4: Simplify right side
    671,146.67x = 342,076,866,001.47
  5. Step 5: Solve for x
    x = 342,076,866,001.47/671,146.67
  6. Step 6: Final answer
    x = 509,690.18

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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.