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Finding the Fourth Proportional to 575,300.16, 862,646.10 and 255,312.96

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Solution

The fourth proportional to 575,300.16, 862,646.10 and 255,312.96 is: 382,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,300.16 : 862,646.10 = 255,312.96 : x
  2. Step 2: Convert to fraction form
    575,300.16/862,646.10 = 255,312.96/x
  3. Step 3: Cross multiply
    575,300.16x = 862,646.10 × 255,312.96
  4. Step 4: Simplify right side
    575,300.16x = 220,244,729,223.46
  5. Step 5: Solve for x
    x = 220,244,729,223.46/575,300.16
  6. Step 6: Final answer
    x = 382,834.47

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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.