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Finding the Fourth Proportional to 702,328.02, 1,053,492.03 and 328,613.46

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Solution

The fourth proportional to 702,328.02, 1,053,492.03 and 328,613.46 is: 492,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,328.02 : 1,053,492.03 = 328,613.46 : x
  2. Step 2: Convert to fraction form
    702,328.02/1,053,492.03 = 328,613.46/x
  3. Step 3: Cross multiply
    702,328.02x = 1,053,492.03 × 328,613.46
  4. Step 4: Simplify right side
    702,328.02x = 346,191,661,060.72
  5. Step 5: Solve for x
    x = 346,191,661,060.72/702,328.02
  6. Step 6: Final answer
    x = 492,920.19

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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.