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Finding the Fourth Proportional to 601,547.50, 830,135.75 and 329,613.19

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Solution

The fourth proportional to 601,547.50, 830,135.75 and 329,613.19 is: 454,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,547.50 : 830,135.75 = 329,613.19 : x
  2. Step 2: Convert to fraction form
    601,547.50/830,135.75 = 329,613.19/x
  3. Step 3: Cross multiply
    601,547.50x = 830,135.75 × 329,613.19
  4. Step 4: Simplify right side
    601,547.50x = 273,623,688,539.86
  5. Step 5: Solve for x
    x = 273,623,688,539.86/601,547.50
  6. Step 6: Final answer
    x = 454,866.30

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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.