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Finding the Fourth Proportional to 633,151.80, 873,722.70 and 346,666.68

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Solution

The fourth proportional to 633,151.80, 873,722.70 and 346,666.68 is: 478,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,151.80 : 873,722.70 = 346,666.68 : x
  2. Step 2: Convert to fraction form
    633,151.80/873,722.70 = 346,666.68/x
  3. Step 3: Cross multiply
    633,151.80x = 873,722.70 × 346,666.68
  4. Step 4: Simplify right side
    633,151.80x = 302,890,547,649.64
  5. Step 5: Solve for x
    x = 302,890,547,649.64/633,151.80
  6. Step 6: Final answer
    x = 478,385.35

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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.