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Finding the Fourth Proportional to 243,030.40, 364,545.60 and 176,934.40

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Solution

The fourth proportional to 243,030.40, 364,545.60 and 176,934.40 is: 265,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,030.40 : 364,545.60 = 176,934.40 : x
  2. Step 2: Convert to fraction form
    243,030.40/364,545.60 = 176,934.40/x
  3. Step 3: Cross multiply
    243,030.40x = 364,545.60 × 176,934.40
  4. Step 4: Simplify right side
    243,030.40x = 64,500,657,008.64
  5. Step 5: Solve for x
    x = 64,500,657,008.64/243,030.40
  6. Step 6: Final answer
    x = 265,401.60

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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.