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Finding the Fourth Proportional to 535,486.15, 802,802.98 and 265,424.23

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Solution

The fourth proportional to 535,486.15, 802,802.98 and 265,424.23 is: 397,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,486.15 : 802,802.98 = 265,424.23 : x
  2. Step 2: Convert to fraction form
    535,486.15/802,802.98 = 265,424.23/x
  3. Step 3: Cross multiply
    535,486.15x = 802,802.98 × 265,424.23
  4. Step 4: Simplify right side
    535,486.15x = 213,083,362,808.21
  5. Step 5: Solve for x
    x = 213,083,362,808.21/535,486.15
  6. Step 6: Final answer
    x = 397,925.07

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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.