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Finding the Fourth Proportional to 540,094.12, 745,373.46 and 298,397.77

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Solution

The fourth proportional to 540,094.12, 745,373.46 and 298,397.77 is: 411,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,094.12 : 745,373.46 = 298,397.77 : x
  2. Step 2: Convert to fraction form
    540,094.12/745,373.46 = 298,397.77/x
  3. Step 3: Cross multiply
    540,094.12x = 745,373.46 × 298,397.77
  4. Step 4: Simplify right side
    540,094.12x = 222,417,778,281.18
  5. Step 5: Solve for x
    x = 222,417,778,281.18/540,094.12
  6. Step 6: Final answer
    x = 411,813.00

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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.