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Finding the Fourth Proportional to 610,366.01, 915,235.31 and 358,143.74

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Solution

The fourth proportional to 610,366.01, 915,235.31 and 358,143.74 is: 537,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,366.01 : 915,235.31 = 358,143.74 : x
  2. Step 2: Convert to fraction form
    610,366.01/915,235.31 = 358,143.74/x
  3. Step 3: Cross multiply
    610,366.01x = 915,235.31 × 358,143.74
  4. Step 4: Simplify right side
    610,366.01x = 327,785,796,903.46
  5. Step 5: Solve for x
    x = 327,785,796,903.46/610,366.01
  6. Step 6: Final answer
    x = 537,031.54

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1.5x scale

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.