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Finding the Fourth Proportional to 504,547.38, 755,275.59 and 326,700.54

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Solution

The fourth proportional to 504,547.38, 755,275.59 and 326,700.54 is: 489,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,547.38 : 755,275.59 = 326,700.54 : x
  2. Step 2: Convert to fraction form
    504,547.38/755,275.59 = 326,700.54/x
  3. Step 3: Cross multiply
    504,547.38x = 755,275.59 × 326,700.54
  4. Step 4: Simplify right side
    504,547.38x = 246,748,943,101.82
  5. Step 5: Solve for x
    x = 246,748,943,101.82/504,547.38
  6. Step 6: Final answer
    x = 489,050.09

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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.