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Finding the Fourth Proportional to 364,889.04, 547,300.12 and 258,728.42

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Solution

The fourth proportional to 364,889.04, 547,300.12 and 258,728.42 is: 388,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,889.04 : 547,300.12 = 258,728.42 : x
  2. Step 2: Convert to fraction form
    364,889.04/547,300.12 = 258,728.42/x
  3. Step 3: Cross multiply
    364,889.04x = 547,300.12 × 258,728.42
  4. Step 4: Simplify right side
    364,889.04x = 141,602,095,313.41
  5. Step 5: Solve for x
    x = 141,602,095,313.41/364,889.04
  6. Step 6: Final answer
    x = 388,068.92

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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.