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Finding the Fourth Proportional to 242,897.72, 335,025.29 and 210,574.54

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Solution

The fourth proportional to 242,897.72, 335,025.29 and 210,574.54 is: 290,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,897.72 : 335,025.29 = 210,574.54 : x
  2. Step 2: Convert to fraction form
    242,897.72/335,025.29 = 210,574.54/x
  3. Step 3: Cross multiply
    242,897.72x = 335,025.29 × 210,574.54
  4. Step 4: Simplify right side
    242,897.72x = 70,547,794,966.12
  5. Step 5: Solve for x
    x = 70,547,794,966.12/242,897.72
  6. Step 6: Final answer
    x = 290,442.40

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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.