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Finding the Fourth Proportional to 607,981.50, 912,018.06 and 181,483.62

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Solution

The fourth proportional to 607,981.50, 912,018.06 and 181,483.62 is: 272,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,981.50 : 912,018.06 = 181,483.62 : x
  2. Step 2: Convert to fraction form
    607,981.50/912,018.06 = 181,483.62/x
  3. Step 3: Cross multiply
    607,981.50x = 912,018.06 × 181,483.62
  4. Step 4: Simplify right side
    607,981.50x = 165,516,339,034.18
  5. Step 5: Solve for x
    x = 165,516,339,034.18/607,981.50
  6. Step 6: Final answer
    x = 272,239.10

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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.