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Finding the Fourth Proportional to 708,223.04, 977,335.04 and 385,935.76

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Solution

The fourth proportional to 708,223.04, 977,335.04 and 385,935.76 is: 532,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,223.04 : 977,335.04 = 385,935.76 : x
  2. Step 2: Convert to fraction form
    708,223.04/977,335.04 = 385,935.76/x
  3. Step 3: Cross multiply
    708,223.04x = 977,335.04 × 385,935.76
  4. Step 4: Simplify right side
    708,223.04x = 377,188,541,437.03
  5. Step 5: Solve for x
    x = 377,188,541,437.03/708,223.04
  6. Step 6: Final answer
    x = 532,584.40

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Double scale
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1.5x scale

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.