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Finding the Fourth Proportional to 243,185.08, 364,030.21 and 207,312.88

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Solution

The fourth proportional to 243,185.08, 364,030.21 and 207,312.88 is: 310,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,185.08 : 364,030.21 = 207,312.88 : x
  2. Step 2: Convert to fraction form
    243,185.08/364,030.21 = 207,312.88/x
  3. Step 3: Cross multiply
    243,185.08x = 364,030.21 × 207,312.88
  4. Step 4: Simplify right side
    243,185.08x = 75,468,151,242.10
  5. Step 5: Solve for x
    x = 75,468,151,242.10/243,185.08
  6. Step 6: Final answer
    x = 310,332.16

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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.