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Finding the Fourth Proportional to 348,045.45, 522,068.18 and 170,898.45

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Solution

The fourth proportional to 348,045.45, 522,068.18 and 170,898.45 is: 256,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,045.45 : 522,068.18 = 170,898.45 : x
  2. Step 2: Convert to fraction form
    348,045.45/522,068.18 = 170,898.45/x
  3. Step 3: Cross multiply
    348,045.45x = 522,068.18 × 170,898.45
  4. Step 4: Simplify right side
    348,045.45x = 89,220,641,901.83
  5. Step 5: Solve for x
    x = 89,220,641,901.83/348,045.45
  6. Step 6: Final answer
    x = 256,347.68

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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.