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Finding the Fourth Proportional to 429,298, 592,458.76 and 248,017.56

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Solution

The fourth proportional to 429,298, 592,458.76 and 248,017.56 is: 342,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,298 : 592,458.76 = 248,017.56 : x
  2. Step 2: Convert to fraction form
    429,298/592,458.76 = 248,017.56/x
  3. Step 3: Cross multiply
    429,298x = 592,458.76 × 248,017.56
  4. Step 4: Simplify right side
    429,298x = 146,940,176,055.83
  5. Step 5: Solve for x
    x = 146,940,176,055.83/429,298
  6. Step 6: Final answer
    x = 342,280.13

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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.