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Finding the Fourth Proportional to 535,482.90, 802,798.11 and 265,420.98

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Solution

The fourth proportional to 535,482.90, 802,798.11 and 265,420.98 is: 397,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,482.90 : 802,798.11 = 265,420.98 : x
  2. Step 2: Convert to fraction form
    535,482.90/802,798.11 = 265,420.98/x
  3. Step 3: Cross multiply
    535,482.90x = 802,798.11 × 265,420.98
  4. Step 4: Simplify right side
    535,482.90x = 213,079,461,098.35
  5. Step 5: Solve for x
    x = 213,079,461,098.35/535,482.90
  6. Step 6: Final answer
    x = 397,920.20

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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.