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Finding the Fourth Proportional to 358,045.52, 537,068.10 and 170,488.40

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Solution

The fourth proportional to 358,045.52, 537,068.10 and 170,488.40 is: 255,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,045.52 : 537,068.10 = 170,488.40 : x
  2. Step 2: Convert to fraction form
    358,045.52/537,068.10 = 170,488.40/x
  3. Step 3: Cross multiply
    358,045.52x = 537,068.10 × 170,488.40
  4. Step 4: Simplify right side
    358,045.52x = 91,563,881,060.04
  5. Step 5: Solve for x
    x = 91,563,881,060.04/358,045.52
  6. Step 6: Final answer
    x = 255,732.51

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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.