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Finding the Fourth Proportional to 573,210.30, 859,706.10 and 173,864.10

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Solution

The fourth proportional to 573,210.30, 859,706.10 and 173,864.10 is: 260,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,210.30 : 859,706.10 = 173,864.10 : x
  2. Step 2: Convert to fraction form
    573,210.30/859,706.10 = 173,864.10/x
  3. Step 3: Cross multiply
    573,210.30x = 859,706.10 × 173,864.10
  4. Step 4: Simplify right side
    573,210.30x = 149,472,027,341.01
  5. Step 5: Solve for x
    x = 149,472,027,341.01/573,210.30
  6. Step 6: Final answer
    x = 260,762.98

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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.