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Finding the Fourth Proportional to 532,316.07, 734,597.36 and 290,598.71

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Solution

The fourth proportional to 532,316.07, 734,597.36 and 290,598.71 is: 401,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,316.07 : 734,597.36 = 290,598.71 : x
  2. Step 2: Convert to fraction form
    532,316.07/734,597.36 = 290,598.71/x
  3. Step 3: Cross multiply
    532,316.07x = 734,597.36 × 290,598.71
  4. Step 4: Simplify right side
    532,316.07x = 213,473,045,185.41
  5. Step 5: Solve for x
    x = 213,473,045,185.41/532,316.07
  6. Step 6: Final answer
    x = 401,026.87

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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.