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Finding the Fourth Proportional to 673,070.12, 928,854.28 and 367,151.66

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Solution

The fourth proportional to 673,070.12, 928,854.28 and 367,151.66 is: 506,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,070.12 : 928,854.28 = 367,151.66 : x
  2. Step 2: Convert to fraction form
    673,070.12/928,854.28 = 367,151.66/x
  3. Step 3: Cross multiply
    673,070.12x = 928,854.28 × 367,151.66
  4. Step 4: Simplify right side
    673,070.12x = 341,030,390,800.11
  5. Step 5: Solve for x
    x = 341,030,390,800.11/673,070.12
  6. Step 6: Final answer
    x = 506,678.84

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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.