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Finding the Fourth Proportional to 586,985.40, 880,866.90 and 334,265.40

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Solution

The fourth proportional to 586,985.40, 880,866.90 and 334,265.40 is: 501,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,985.40 : 880,866.90 = 334,265.40 : x
  2. Step 2: Convert to fraction form
    586,985.40/880,866.90 = 334,265.40/x
  3. Step 3: Cross multiply
    586,985.40x = 880,866.90 × 334,265.40
  4. Step 4: Simplify right side
    586,985.40x = 294,443,326,675.26
  5. Step 5: Solve for x
    x = 294,443,326,675.26/586,985.40
  6. Step 6: Final answer
    x = 501,619.51

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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.