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Finding the Fourth Proportional to 624,925.56, 862,411.50 and 366,875.76

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Solution

The fourth proportional to 624,925.56, 862,411.50 and 366,875.76 is: 506,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,925.56 : 862,411.50 = 366,875.76 : x
  2. Step 2: Convert to fraction form
    624,925.56/862,411.50 = 366,875.76/x
  3. Step 3: Cross multiply
    624,925.56x = 862,411.50 × 366,875.76
  4. Step 4: Simplify right side
    624,925.56x = 316,397,874,495.24
  5. Step 5: Solve for x
    x = 316,397,874,495.24/624,925.56
  6. Step 6: Final answer
    x = 506,296.90

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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.