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Finding the Fourth Proportional to 566,642.40, 851,230.80 and 473,330.40

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Solution

The fourth proportional to 566,642.40, 851,230.80 and 473,330.40 is: 711,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,642.40 : 851,230.80 = 473,330.40 : x
  2. Step 2: Convert to fraction form
    566,642.40/851,230.80 = 473,330.40/x
  3. Step 3: Cross multiply
    566,642.40x = 851,230.80 × 473,330.40
  4. Step 4: Simplify right side
    566,642.40x = 402,913,415,056.32
  5. Step 5: Solve for x
    x = 402,913,415,056.32/566,642.40
  6. Step 6: Final answer
    x = 711,054.12

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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.