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Finding the Fourth Proportional to 259,740.35, 358,501.35 and 152,344.98

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Solution

The fourth proportional to 259,740.35, 358,501.35 and 152,344.98 is: 210,271.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,740.35 : 358,501.35 = 152,344.98 : x
  2. Step 2: Convert to fraction form
    259,740.35/358,501.35 = 152,344.98/x
  3. Step 3: Cross multiply
    259,740.35x = 358,501.35 × 152,344.98
  4. Step 4: Simplify right side
    259,740.35x = 54,615,880,995.72
  5. Step 5: Solve for x
    x = 54,615,880,995.72/259,740.35
  6. Step 6: Final answer
    x = 210,271.07

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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.