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Finding the Fourth Proportional to 607,330.60, 910,412.70 and 472,319.80

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Solution

The fourth proportional to 607,330.60, 910,412.70 and 472,319.80 is: 708,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,330.60 : 910,412.70 = 472,319.80 : x
  2. Step 2: Convert to fraction form
    607,330.60/910,412.70 = 472,319.80/x
  3. Step 3: Cross multiply
    607,330.60x = 910,412.70 × 472,319.80
  4. Step 4: Simplify right side
    607,330.60x = 430,005,944,381.46
  5. Step 5: Solve for x
    x = 430,005,944,381.46/607,330.60
  6. Step 6: Final answer
    x = 708,026.15

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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.