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Finding the Fourth Proportional to 459,014.80, 688,522.20 and 249,062.80

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Solution

The fourth proportional to 459,014.80, 688,522.20 and 249,062.80 is: 373,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,014.80 : 688,522.20 = 249,062.80 : x
  2. Step 2: Convert to fraction form
    459,014.80/688,522.20 = 249,062.80/x
  3. Step 3: Cross multiply
    459,014.80x = 688,522.20 × 249,062.80
  4. Step 4: Simplify right side
    459,014.80x = 171,485,266,994.16
  5. Step 5: Solve for x
    x = 171,485,266,994.16/459,014.80
  6. Step 6: Final answer
    x = 373,594.20

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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.