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Finding the Fourth Proportional to 532,125.40, 796,875.90 and 353,666.20

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Solution

The fourth proportional to 532,125.40, 796,875.90 and 353,666.20 is: 529,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,125.40 : 796,875.90 = 353,666.20 : x
  2. Step 2: Convert to fraction form
    532,125.40/796,875.90 = 353,666.20/x
  3. Step 3: Cross multiply
    532,125.40x = 796,875.90 × 353,666.20
  4. Step 4: Simplify right side
    532,125.40x = 281,828,071,424.58
  5. Step 5: Solve for x
    x = 281,828,071,424.58/532,125.40
  6. Step 6: Final answer
    x = 529,627.17

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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.