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Finding the Fourth Proportional to 556,252.80, 833,764.80 and 307,113.60

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Solution

The fourth proportional to 556,252.80, 833,764.80 and 307,113.60 is: 460,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,252.80 : 833,764.80 = 307,113.60 : x
  2. Step 2: Convert to fraction form
    556,252.80/833,764.80 = 307,113.60/x
  3. Step 3: Cross multiply
    556,252.80x = 833,764.80 × 307,113.60
  4. Step 4: Simplify right side
    556,252.80x = 256,060,509,281.28
  5. Step 5: Solve for x
    x = 256,060,509,281.28/556,252.80
  6. Step 6: Final answer
    x = 460,331.18

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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.