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Finding the Fourth Proportional to 532,030.95, 798,047.37 and 426,088.76

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Solution

The fourth proportional to 532,030.95, 798,047.37 and 426,088.76 is: 639,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,030.95 : 798,047.37 = 426,088.76 : x
  2. Step 2: Convert to fraction form
    532,030.95/798,047.37 = 426,088.76/x
  3. Step 3: Cross multiply
    532,030.95x = 798,047.37 × 426,088.76
  4. Step 4: Simplify right side
    532,030.95x = 340,039,010,314.32
  5. Step 5: Solve for x
    x = 340,039,010,314.32/532,030.95
  6. Step 6: Final answer
    x = 639,133.89

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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.