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Finding the Fourth Proportional to 530,095.80, 794,913.30 and 156,041.40

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Solution

The fourth proportional to 530,095.80, 794,913.30 and 156,041.40 is: 233,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,095.80 : 794,913.30 = 156,041.40 : x
  2. Step 2: Convert to fraction form
    530,095.80/794,913.30 = 156,041.40/x
  3. Step 3: Cross multiply
    530,095.80x = 794,913.30 × 156,041.40
  4. Step 4: Simplify right side
    530,095.80x = 124,039,384,210.62
  5. Step 5: Solve for x
    x = 124,039,384,210.62/530,095.80
  6. Step 6: Final answer
    x = 233,994.28

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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.