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Finding the Fourth Proportional to 529,070.07, 730,003.10 and 314,282.55

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Solution

The fourth proportional to 529,070.07, 730,003.10 and 314,282.55 is: 433,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,070.07 : 730,003.10 = 314,282.55 : x
  2. Step 2: Convert to fraction form
    529,070.07/730,003.10 = 314,282.55/x
  3. Step 3: Cross multiply
    529,070.07x = 730,003.10 × 314,282.55
  4. Step 4: Simplify right side
    529,070.07x = 229,427,232,125.89
  5. Step 5: Solve for x
    x = 229,427,232,125.89/529,070.07
  6. Step 6: Final answer
    x = 433,642.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.