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Finding the Fourth Proportional to 503,701.20, 753,802.20 and 346,237.20

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Solution

The fourth proportional to 503,701.20, 753,802.20 and 346,237.20 is: 518,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,701.20 : 753,802.20 = 346,237.20 : x
  2. Step 2: Convert to fraction form
    503,701.20/753,802.20 = 346,237.20/x
  3. Step 3: Cross multiply
    503,701.20x = 753,802.20 × 346,237.20
  4. Step 4: Simplify right side
    503,701.20x = 260,994,363,081.84
  5. Step 5: Solve for x
    x = 260,994,363,081.84/503,701.20
  6. Step 6: Final answer
    x = 518,153.15

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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.