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Finding the Fourth Proportional to 310,068.90, 465,103.35 and 304,820.10

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Solution

The fourth proportional to 310,068.90, 465,103.35 and 304,820.10 is: 457,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,068.90 : 465,103.35 = 304,820.10 : x
  2. Step 2: Convert to fraction form
    310,068.90/465,103.35 = 304,820.10/x
  3. Step 3: Cross multiply
    310,068.90x = 465,103.35 × 304,820.10
  4. Step 4: Simplify right side
    310,068.90x = 141,772,849,657.34
  5. Step 5: Solve for x
    x = 141,772,849,657.34/310,068.90
  6. Step 6: Final answer
    x = 457,230.15

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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.