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Finding the Fourth Proportional to 453,807.28, 626,312.76 and 260,290.48

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Solution

The fourth proportional to 453,807.28, 626,312.76 and 260,290.48 is: 359,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,807.28 : 626,312.76 = 260,290.48 : x
  2. Step 2: Convert to fraction form
    453,807.28/626,312.76 = 260,290.48/x
  3. Step 3: Cross multiply
    453,807.28x = 626,312.76 × 260,290.48
  4. Step 4: Simplify right side
    453,807.28x = 163,023,248,930.53
  5. Step 5: Solve for x
    x = 163,023,248,930.53/453,807.28
  6. Step 6: Final answer
    x = 359,234.54

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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.