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Finding the Fourth Proportional to 341,637.60, 511,246.80 and 297,746.40

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Solution

The fourth proportional to 341,637.60, 511,246.80 and 297,746.40 is: 445,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,637.60 : 511,246.80 = 297,746.40 : x
  2. Step 2: Convert to fraction form
    341,637.60/511,246.80 = 297,746.40/x
  3. Step 3: Cross multiply
    341,637.60x = 511,246.80 × 297,746.40
  4. Step 4: Simplify right side
    341,637.60x = 152,221,894,211.52
  5. Step 5: Solve for x
    x = 152,221,894,211.52/341,637.60
  6. Step 6: Final answer
    x = 445,565.40

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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.