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Finding the Fourth Proportional to 711,585.01, 982,307.94 and 453,807.88

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Solution

The fourth proportional to 711,585.01, 982,307.94 and 453,807.88 is: 626,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,585.01 : 982,307.94 = 453,807.88 : x
  2. Step 2: Convert to fraction form
    711,585.01/982,307.94 = 453,807.88/x
  3. Step 3: Cross multiply
    711,585.01x = 982,307.94 × 453,807.88
  4. Step 4: Simplify right side
    711,585.01x = 445,779,083,758.57
  5. Step 5: Solve for x
    x = 445,779,083,758.57/711,585.01
  6. Step 6: Final answer
    x = 626,459.35

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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.