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Finding the Fourth Proportional to 614,547.69, 921,190.14 and 235,379.40

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Solution

The fourth proportional to 614,547.69, 921,190.14 and 235,379.40 is: 352,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,547.69 : 921,190.14 = 235,379.40 : x
  2. Step 2: Convert to fraction form
    614,547.69/921,190.14 = 235,379.40/x
  3. Step 3: Cross multiply
    614,547.69x = 921,190.14 × 235,379.40
  4. Step 4: Simplify right side
    614,547.69x = 216,829,182,439.12
  5. Step 5: Solve for x
    x = 216,829,182,439.12/614,547.69
  6. Step 6: Final answer
    x = 352,827.27

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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.