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Finding the Fourth Proportional to 295,312.60, 442,677.30 and 117,582.40

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Solution

The fourth proportional to 295,312.60, 442,677.30 and 117,582.40 is: 176,257.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,312.60 : 442,677.30 = 117,582.40 : x
  2. Step 2: Convert to fraction form
    295,312.60/442,677.30 = 117,582.40/x
  3. Step 3: Cross multiply
    295,312.60x = 442,677.30 × 117,582.40
  4. Step 4: Simplify right side
    295,312.60x = 52,051,059,359.52
  5. Step 5: Solve for x
    x = 52,051,059,359.52/295,312.60
  6. Step 6: Final answer
    x = 176,257.50

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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.