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Finding the Fourth Proportional to 532,342.44, 797,705.70 and 390,282.30

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Solution

The fourth proportional to 532,342.44, 797,705.70 and 390,282.30 is: 584,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,342.44 : 797,705.70 = 390,282.30 : x
  2. Step 2: Convert to fraction form
    532,342.44/797,705.70 = 390,282.30/x
  3. Step 3: Cross multiply
    532,342.44x = 797,705.70 × 390,282.30
  4. Step 4: Simplify right side
    532,342.44x = 311,330,415,319.11
  5. Step 5: Solve for x
    x = 311,330,415,319.11/532,342.44
  6. Step 6: Final answer
    x = 584,831.10

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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.